| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||||||
Cash flows from operating activities | ||||||||||
Net loss | ||||||||||
-12,956 | -9,185 | -9,396 | -7,604 | -23,681 | -29,534 | -30,506 | - | - | - | - |
Loss from discontinued operations | ||||||||||
- | - | - | - | -11,241 | -2,766 | -1,962 | -326 | - | - | - |
Loss from continuing operations | ||||||||||
- | - | - | - | -12,440 | -26,768 | -28,544 | 3,956 | - | - | - |
Net loss | ||||||||||
- | - | - | - | - | - | - | 3,630 | -38,785 | -38,803 | -37,957 |
Adjustments to reconcile net loss to cash used in operating activities: | ||||||||||
Depreciation | ||||||||||
203 | 196 | 206 | 515 | 265 | 507 | 928 | 1,298 | 1,507 | 1,647 | 2,734 |
Loss on issuance of securities | ||||||||||
-13,018 | 0 | - | - | - | - | - | - | - | - | - |
Change in fair value of warrants | ||||||||||
-9,541 | 0 | - | - | - | - | - | - | - | - | - |
Inventory impairment | ||||||||||
- | - | - | 199 | 209 | 873 | 746 | 138 | - | - | - |
Gain on sale of discontinued operation and property and equipment | ||||||||||
- | - | - | 9,833 | 33 | 43 | 0 | 0 | - | - | - |
Non-cash restructuring expense paid through stock and equipment | ||||||||||
- | - | - | 196 | - | - | - | - | - | - | - |
Non-cash restructuring expense paid through stock and equipment | ||||||||||
- | - | - | - | 0 | - | - | - | - | - | - |
Loss on disposal of fixed assets | ||||||||||
- | - | - | - | - | - | - | - | - | - | 70 |
Charge for 401(k) company common stock match | ||||||||||
98 | 102 | 85 | 281 | 323 | 374 | 397 | 408 | 529 | 443 | 428 |
Stock-based compensation | ||||||||||
656 | 1,181 | 1,395 | 848 | 2,128 | 2,276 | 3,122 | 3,779 | 4,633 | 4,696 | 4,653 |
Non-cash lease expense | ||||||||||
1,625 | 588 | - | - | - | - | - | - | - | - | - |
Deferred tax provision | ||||||||||
-254 | 0 | - | - | - | - | - | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||||
Accounts receivables | ||||||||||
-22 | 40 | -12 | -172 | 193 | -952 | 158 | 693 | 146 | - | - |
Accounts receivable | ||||||||||
- | - | - | - | - | - | - | - | - | -19 | -140 |
Due from related parties | ||||||||||
- | - | -1 | -145 | 34 | 61 | -24 | -236 | 71 | 15 | - |
Unbilled receivables | ||||||||||
-46 | 1 | -56 | - | - | - | - | - | - | - | - |
Unbilled receivables | ||||||||||
- | - | - | -29 | -270 | 223 | -185 | 68 | 296 | 5 | -53 |
Inventory | ||||||||||
- | - | - | -180 | 2 | -462 | 516 | 2,288 | - | - | - |
Prepaid expenses and other assets | ||||||||||
-9 | 128 | -660 | -1,302 | 1,081 | 43 | 21 | -108 | -68 | 104 | 205 |
Accounts payable | ||||||||||
162 | 41 | 17 | -51 | -226 | -246 | -654 | 721 | 273 | -387 | -232 |
Accrued expenses | ||||||||||
502 | -1,072 | -622 | -845 | 62 | -1,179 | 1,383 | -34 | -623 | 329 | 334 |
Lease liabilities | ||||||||||
-2,244 | -436 | - | - | - | - | - | - | - | - | - |
Proceeds from options exercised | ||||||||||
- | - | - | - | - | - | - | - | - | - | 116 |
Proceeds from public stock offerings, net of issuance costs | ||||||||||
- | - | 13,318 | 0 | - | - | - | - | 49,333 | - | 29,118 |
Lease liabilities | ||||||||||
- | - | - | 339 | 0 | -50 | -151 | -154 | -153 | - | - |
Other long-term liabilities | ||||||||||
- | - | -616 | - | - | - | - | - | - | - | - |
Net cash used in operating activities | ||||||||||
- | - | - | -14,404 | -21,863 | -23,691 | -23,657 | -30,384 | -31,731 | -31,995 | -25,759 |
Net cash used by discontinued operations for operating activities | ||||||||||
- | - | - | - | - | -845 | -2,991 | -1,352 | - | - | - |
Net cash used for operating activities | ||||||||||
-8,654 | -8,754 | -8,202 | - | - | -24,536 | -26,648 | -31,736 | - | - | - |
Cash flows from investing activities | ||||||||||
Cash flows from investing activities | ||||||||||
Purchase of property and equipment | ||||||||||
61 | 42 | 6 | 752 | 654 | 172 | 373 | 392 | 895 | 906 | 2,017 |
Proceeds from sale of property and equipment | ||||||||||
- | - | - | 10,317 | 40 | 43 | 0 | 12 | - | - | 70 |
Change in restricted cash | ||||||||||
- | - | - | -187 | 0 | 0 | 25 | -28 | - | 29 | - |
Purchase of short-term investments | ||||||||||
5,704 | 11,496 | 0 | - | - | 1,508 | 16,635 | 58,933 | 107,477 | 83,814 | 119,956 |
Proceeds from the sale and maturity of short-term investments | ||||||||||
2,750 | 8,750 | 0 | - | - | 13,017 | 36,821 | 84,303 | 99,464 | 116,126 | 103,048 |
Net cash provided (used) by continuing operations for investing activities | ||||||||||
- | - | - | - | - | 11,380 | 19,788 | 25,018 | -8,908 | 31,377 | -18,855 |
Net cash provided by discontinued operations for investing activities | ||||||||||
- | - | - | - | - | 292 | 0 | 0 | - | - | - |
Net cash provided by investing activities | ||||||||||
-3,015 | -2,788 | -6 | 9,752 | -614 | 11,672 | 19,788 | 25,018 | - | - | - |
Cash flows from financing activities | ||||||||||
Proceeds from warrants exercised | ||||||||||
0 | 124 | - | - | - | - | - | - | - | - | - |
Proceeds from securities offerings, net of issuance costs | ||||||||||
14,083 | 0 | - | - | - | - | - | - | - | - | - |
Proceeds from warrants exercised | ||||||||||
- | - | 0 | - | - | 300 | 14 | 19 | 74 | 2,339 | - |
Proceeds from registered direct offering, net of issuance costs | ||||||||||
- | - | 1,966 | 0 | 14,703 | 24,914 | 0 | 0 | - | - | - |
Deferred rent and other long-term liabilities | ||||||||||
- | - | - | - | - | - | - | - | - | -156 | -156 |
Deferred revenue | ||||||||||
- | - | - | -277 | 130 | -522 | -398 | -37,791 | 1,333 | 341 | 4,519 |
Taxes paid on employees' behalf related to vesting of stock awards | ||||||||||
4 | 6 | 12 | - | 0 | - | - | - | - | - | - |
Net cash provided by financing activities | ||||||||||
14,079 | 118 | 15,272 | - | - | - | - | - | - | - | - |
Effect of exchange rate changes on cash, cash equivalents and restricted cash | ||||||||||
-16 | -25 | -1 | - | - | - | - | - | - | - | - |
Net (decrease) increase in cash, cash equivalents and restricted cash | ||||||||||
2,394 | -11,449 | 7,063 | - | - | - | - | - | - | - | - |
Net cash provided by financing activities | ||||||||||
- | - | - | -296 | 14,703 | 25,214 | 14 | 19 | 49,407 | 2,339 | 29,234 |
Effect of exchange rate changes on cash, cash equivalents and restricted cash | ||||||||||
- | - | - | -12 | -3 | -2 | -28 | -6 | -17 | -9 | - |
Net decrease in cash, cash equivalents and restricted cash | ||||||||||
- | - | - | -4,960 | -7,777 | 12,348 | -6,874 | -6,705 | 8,751 | 1,712 | -15,380 |
Interest paid | ||||||||||
- | - | - | 0 | - | - | - | - | - | - | - |
Supplemental disclosure of non-cash information: | ||||||||||
Interest paid | ||||||||||
7 | 19 | 116 | - | - | - | - | - | - | - | - |
Supplemental Disclosure of Non-cash Information: | ||||||||||
Stock offering costs remaining in accounts payable and accrued expenses | ||||||||||
- | - | 221 | 0 | - | - | - | - | - | - | - |
Deemed dividend related to Series A Convertible Preferred Stock beneficial conversion feature | ||||||||||
- | - | 1,427 | 0 | - | - | - | - | - | - | - |
Preferred stock conversion to common stock | ||||||||||
- | - | - | - | - | 12,500 | 0 | 0 | - | - | - |
Purchase of property and equipment included in accounts payable and accrued expenses | ||||||||||
- | - | - | - | 68 | 0 | 0 | - | - | - | - |
Right-of-use assets acquired in exchange for lease liabilities | ||||||||||
0 | 194 | - | - | - | - | - | - | - | - | - |
Lease incentive paid by lessor | ||||||||||
- | - | - | 1,332 | 0 | - | - | - | - | - | - |
Issuance of stock in connection with Aspire agreement | ||||||||||
- | - | - | - | 450 | - | - | - | - | - | - |
Restricted stock units issued to settle incentive compensation obligation | ||||||||||
- | - | - | - | 305 | 0 | 0 | - | - | - | - |
Transfer of equipment to settle contractual liability | ||||||||||
- | - | - | 111 | 0 | - | - | - | - | - | - |
Issuance of common stock to settle contractual liability | ||||||||||
- | - | - | 85 | 0 | 0 | 0 | - | - | - | - |