| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Mar'16 | Mar'15 | Mar'14 | Mar'13 | Mar'12 | Mar'11 |
|---|---|---|---|---|---|---|---|---|---|
Cash Flows From Operating Activities: | |||||||||
Net loss | |||||||||
-18,331 | -9,555 | -7,899 | -13,113 | -9,820 | -7,026 | -19,565 | -6,382 | -7,832 | -6,152 |
Adjustments to reconcile net loss to net cash used in operating activities: | |||||||||
Depreciation and amortization | |||||||||
2,415 | 857 | 664 | 374 | 239 | 197 | 311 | 393 | 343 | 245 |
Amortization of debt discount | |||||||||
288 | 0 | 6 | 84 | 483 | 1,368 | - | - | - | - |
Interest expense on convertible note settled by issuance of common stock | |||||||||
417 | 0 | - | - | - | - | - | - | - | - |
Unrealized gain on investments in equity securities | |||||||||
-101 | -16 | 0 | - | - | - | - | - | - | - |
Realized gain on available-for-sale investments | |||||||||
81 | 0 | - | - | - | - | - | - | - | - |
Stock-based compensation expense | |||||||||
6,961 | 5,478 | - | - | - | - | - | - | - | - |
Accelerated stock-based compensation expense | |||||||||
9,561 | 0 | - | - | - | - | - | - | - | - |
Amortization of debt discount and deferred financing costs | |||||||||
- | - | - | - | - | - | 678 | 17 | 197 | 522 |
Stock-based compensation expense | |||||||||
- | - | 3,547 | 3,117 | 2,884 | 881 | 678 | 693 | - | - |
Warrant inducement and repricing expense | |||||||||
0 | 899 | 0 | 4,195 | 0 | - | - | - | - | - |
Estimated relative fair value of beneficial conversion feature on related-party notes payable | |||||||||
- | - | - | - | -521 | 0 | - | - | - | - |
Fair value of stock options and warrants issued to consultants, employees and directors | |||||||||
- | - | - | - | - | - | - | - | - | -477 |
Change in fair value of derivative instruments | |||||||||
- | - | - | - | - | - | 20 | 16 | 119 | 49 |
Loss on write-off of intangible assets | |||||||||
- | - | - | - | - | - | - | -17 | 0 | - |
Fair value of warrants issued to convertible debenture holders | |||||||||
- | - | - | - | - | - | - | - | -156 | - |
Fair value of stock options and warrants issued to employees, directors and consultants | |||||||||
- | - | - | - | - | - | - | - | -559 | - |
Loss on disposal of property and equipment | |||||||||
-274 | -397 | -186 | -169 | -168 | -16 | -16 | -51 | -8 | - |
Loss on write-off of patents | |||||||||
- | - | - | - | 98 | 0 | - | - | - | - |
Provision for bad debt | |||||||||
42 | 40 | 11 | 2 | 38 | 2 | 24 | 0 | - | - |
Debt conversion expense | |||||||||
- | - | - | - | - | - | 13,713 | 0 | - | - |
Changes in operating assets and liabilities: | |||||||||
Accounts receivable | |||||||||
3,596 | 1,958 | 441 | 581 | 469 | 76 | - | - | - | - |
Loss on disposal of cryogenic shippers | |||||||||
- | - | - | - | - | - | - | - | - | 6 |
Interest accrued on restricted cash | |||||||||
- | - | - | - | - | - | - | - | 0 | 0 |
Accounts receivable, net | |||||||||
- | - | - | - | - | - | 323 | 70 | 90 | -25 |
Inventories | |||||||||
253 | 105 | 25 | 74 | 70 | 39 | -9 | -12 | 7 | -16 |
Prepaid expenses and other current assets | |||||||||
344 | 235 | 261 | -2 | 151 | -0 | - | - | - | - |
Deposits | |||||||||
- | - | 0 | - | - | - | - | - | - | - |
Deposits | |||||||||
86 | -12 | - | - | 363 | -9 | - | - | - | - |
Change in operating lease right-of-use assets and lease liabilities | |||||||||
6 | 0 | - | - | - | - | - | - | - | - |
Other assets | |||||||||
- | - | - | - | - | - | 26 | -34 | -174 | 155 |
Accounts payable and other accrued expenses | |||||||||
570 | 405 | 123 | 51 | 313 | 209 | -221 | 443 | -62 | -109 |
Accrued compensation and related expenses | |||||||||
641 | 336 | 506 | 41 | -162 | 271 | 236 | -18 | - | - |
Deferred revenue | |||||||||
81 | -7 | - | - | - | - | - | - | - | - |
Deferred tax liability | |||||||||
20 | 0 | - | - | - | - | - | - | - | - |
Deferred revenue | |||||||||
- | - | 0 | - | - | - | - | - | - | - |
Accrued compensation and related expenses | |||||||||
- | - | - | - | - | - | - | - | 166 | 306 |
Accrued interest | |||||||||
0 | 66 | -1 | 11 | -14 | 57 | 108 | 39 | 60 | 57 |
Net cash used in operating activities | |||||||||
- | - | - | - | -6,305 | -4,127 | -4,380 | -4,785 | - | - |
Net cash provided by (used in) operating activities | |||||||||
-1,323 | -3,352 | -3,583 | -5,718 | - | - | - | - | -6,780 | -4,811 |
Cash Flows From Investing Activities: | |||||||||
Purchases of property and equipment | |||||||||
5,335 | 2,914 | 1,714 | 1,062 | 1,119 | 70 | 138 | 156 | 262 | 341 |
Purchases of short-term investments | |||||||||
43,195 | 9,923 | 0 | - | - | - | - | - | - | - |
Sales/maturities of short-term investments | |||||||||
5,995 | 0 | - | - | - | - | - | - | - | - |
Patent and trademark costs | |||||||||
73 | 46 | 85 | 5 | 0 | - | - | 22 | 125 | 124 |
Cash paid for acquisition | |||||||||
20,316 | 0 | - | - | - | - | - | - | - | - |
Net cash used in investing activities | |||||||||
- | - | - | - | -1,119 | -70 | -138 | -178 | - | - |
Net cash used in investing activities | |||||||||
-62,927 | -12,884 | -1,800 | -1,067 | - | - | - | - | -388 | -465 |
Cash Flows From Financing Activities: | |||||||||
Proceeds from the issuance of Class A and Class B convertible preferred stock, net of offering costs | |||||||||
- | - | - | - | 3,896 | 4,607 | 0 | - | - | - |
Proceeds from exercise of stock options and warrants | |||||||||
5,362 | 6,020 | 5,151 | 0 | 10 | - | - | - | - | - |
Proceeds from issuance of convertible debt | |||||||||
0 | 15,000 | 0 | - | - | - | - | - | - | - |
Proceeds from the issuance of notes payable | |||||||||
- | - | - | - | - | 915 | 0 | - | - | - |
Proceeds from issuance of common stock, net of costs | |||||||||
0 | 9,808 | 0 | 0 | 5,938 | 0 | - | - | 4,718 | 11,571 |
Proceeds from the rights offering, net of offering costs | |||||||||
- | - | - | -989 | 0 | - | - | - | - | - |
Repayments of related party notes payable | |||||||||
- | - | - | - | - | - | - | - | 102 | 160 |
Restricted cash-convertible debenture holder escrow account funds | |||||||||
- | - | - | - | - | - | - | - | 251 | - |
Proceeds from release of restricted cash | |||||||||
- | - | - | - | - | - | - | - | 91 | - |
Payment on line of credit | |||||||||
- | - | - | - | - | - | - | - | 90 | - |
Proceeds from tender offer, net of offering costs | |||||||||
0 | 4,641 | 0 | - | - | 92 | 326 | 0 | 571 | 213 |
Proceeds from issuance of common stock, net of costs | |||||||||
0 | 9,808 | - | - | - | - | - | - | - | - |
Proceeds from ATM, net of offering costs | |||||||||
0 | 3,363 | - | - | - | - | - | - | - | - |
Proceeds from the ATM, net of offering costs | |||||||||
0 | 3,363 | 0 | - | - | - | - | - | - | - |
Proceeds from issuance of convertible debt | |||||||||
- | - | - | - | - | - | 4,558 | 1,294 | 0 | - |
Repayment of notes payable | |||||||||
- | - | - | 0 | 741 | 173 | 0 | - | - | - |
Repayments of convertible debt | |||||||||
- | - | - | - | - | - | - | - | 2,273 | - |
Repayment of convertible debentures payable | |||||||||
- | - | - | - | - | - | - | - | - | 423 |
Payment of deferred financing costs | |||||||||
0 | 288 | 0 | - | - | 30 | 463 | 206 | 158 | 275 |
Repayment of capital lease obligation | |||||||||
- | - | 0 | - | - | - | - | - | - | - |
Proceeds from public offering, net of offering costs | |||||||||
68,810 | 0 | 11,405 | - | - | - | - | - | - | - |
Repayment of finance lease liabilities | |||||||||
23 | 14 | - | - | - | - | - | - | - | - |
Repayment of related-party notes payable | |||||||||
- | - | 656 | 399 | 292 | 50 | 0 | 82 | - | - |
Net cash provided by financing activities | |||||||||
74,150 | 38,531 | 15,901 | 6,063 | - | - | - | - | 2,507 | 10,925 |
Effect of exchange rates on cash and cash equivalents | |||||||||
8 | -9 | - | - | - | - | - | - | - | - |
Net change in cash and cash equivalents | |||||||||
9,907 | 22,284 | - | - | - | - | - | - | - | - |
Effect of exchange rates on cash and cash equivalents | |||||||||
- | - | 0 | - | - | - | - | - | - | - |
Repayment of related-party notes payable | |||||||||
- | - | - | - | - | 128 | 96 | 96 | - | - |
Net cash provided by financing activities | |||||||||
- | - | - | - | 8,812 | 5,233 | 4,326 | 909 | - | - |
Net change in cash and cash equivalents | |||||||||
- | - | - | - | 1,387 | 1,035 | -193 | - | - | - |
Net change in cash and cash equivalents | |||||||||
- | - | 10,517 | -722 | - | - | - | -4,054 | -4,660 | 5,648 |
Supplemental Disclosure of Cash Flow Information: | |||||||||
Cash paid for interest | |||||||||
707 | 0 | 4 | 9 | - | - | - | - | - | - |
Cash paid for interest | |||||||||
- | - | - | - | 57 | 0 | 0 | 15 | 113 | 39 |
Cash paid for income taxes | |||||||||
13 | 19 | 5 | 5 | 3 | 1 | 1 | 1 | 1 | 1 |
Supplemental Disclosure of Non-Cash Financing Activities: | |||||||||
Net unrealized gain on available-for-sale securities | |||||||||
-27 | 23 | - | - | - | - | - | - | - | - |
Reclassification of realized gain on available-for-sale debt securities to earnings | |||||||||
23 | 0 | - | - | - | - | - | - | - | - |
Purchase of equipment through capital lease obligations | |||||||||
0 | 71 | 0 | - | - | - | - | - | - | - |
Fixed assets included in accounts payable and accrued liabilities | |||||||||
260 | 0 | - | - | - | - | - | - | - | - |
Change in net unrealized gain on available-for-sale securities | |||||||||
- | - | 0 | - | - | - | - | - | - | - |
Leasehold improvements paid by tenant allowance | |||||||||
0 | 127 | 0 | - | - | - | - | - | - | - |
Common stock issued for conversion of debt and accrued interest | |||||||||
15,417 | 0 | - | - | - | - | - | - | - | - |
Cumulative undeclared preferred dividends recorded upon conversion of Class A convertible preferred stock and Class B convertible preferred stock into common stock | |||||||||
- | - | - | 1,068 | 1,068 | 0 | - | - | - | - |
Release of restricted cash for repayment of convertible debentures payable | |||||||||
- | - | - | - | - | - | - | 251 | 0 | - |
Estimated relative fair value of warrants issued in connection with convertible bridge notes payable | |||||||||
- | - | - | - | - | - | 478 | 0 | - | - |
Estimated relative fair value of warrants issued in connection with related-party notes payable | |||||||||
- | - | - | 26 | 26 | 280 | 0 | - | - | - |
Leasehold improvements paid by tenant allowance included in accounts payable and accrued expenses | |||||||||
- | - | - | 200 | 200 | 0 | - | - | - | - |
Estimated relative fair value of warrants issued in connection with notes payable | |||||||||
- | - | - | - | - | 458 | - | - | - | - |
Reclassification of shipper inventory to property and equipment | |||||||||
- | - | - | 38 | 70 | 0 | - | - | - | - |
Deferred offering costs in connection with future warrant repricing included in accounts payable and prepaid expenses and other current assets | |||||||||
- | - | 31 | 0 | - | - | - | - | - | - |
Issuance of common stock for accrued board of director compensation | |||||||||
- | - | - | - | 54 | 0 | - | - | - | - |
Fair value of common stock issued to consultant for future services included in other current assets | |||||||||
- | - | - | - | 0 | - | - | - | - | - |
Offering costs in connection with convertible preferred stock included in accounts payable | |||||||||
- | - | - | - | - | - | - | 53 | 78 | 121 |
Deferred offering costs in connection with secondary public offering included in accounts payable | |||||||||
- | - | - | - | - | - | 30 | 38 | 0 | - |
Accretion of convertible preferred stock beneficial conversion feature and relative fair value of warrants issued in connection with the convertible preferred stock units to accumulated deficit | |||||||||
- | - | - | - | 4,474 | 4,864 | 0 | - | - | - |
Estimated relative fair value of warrants issued in connection with notes payable | |||||||||
- | - | - | - | - | - | 0 | - | - | - |
Conversion of bridge notes payable and accrued interest into common stock units | |||||||||
- | - | - | - | - | - | 4,127 | 0 | - | - |
Conversion of convertible debentures payable and accrued interest into convertible preferred stock units | |||||||||
- | - | - | - | - | 1,766 | 0 | - | - | - |
Cashless exercise of warrants and stock options | |||||||||
- | - | - | - | - | - | - | - | 0 | - |
Settlement of accounts payable with shares of common stock | |||||||||
- | - | - | - | - | - | - | - | - | 23 |
Reduction of accrued offering costs in connection with February 2010 financing | |||||||||
- | - | - | - | - | - | - | - | - | 29 |
Conversion of debt to common stock | |||||||||
- | - | - | - | - | - | - | - | - | 200 |
Cashless exercise of warrants and stock options | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Fair value of options issued to employee in lieu of cash bonus | |||||||||
- | - | - | - | - | - | - | - | - | 216 |
Reclassification of derivative liabilities to additional paid-in capital upon fixing conversion feature and warrant price | |||||||||
- | - | - | - | - | - | - | - | - | 128 |
Estimated fair value of warrants issued to related party in connection with an advisory services agreement | |||||||||
- | - | - | - | - | - | - | - | - | 302 |
Reclassification of property and equipment to inventories | |||||||||
- | - | - | - | - | - | - | - | - | 60 |