| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Operating activities: | ||||||
Net loss | ||||||
-9,665 | -8,137 | -17,286 | -19,566 | -16,340 | -19,920 | -15,622 |
Adjustments to reconcile net loss to net cash provided by operating activities: | ||||||
Depreciation and amortization | ||||||
1,744 | 1,426 | 1,612 | 1,886 | 1,592 | 752 | 500 |
Impairment of intangible asset | ||||||
- | - | - | 2,638 | 0 | 0 | - |
Stock compensation expense | ||||||
13,179 | 7,223 | 2,680 | 2,499 | 2,747 | 839 | 926 |
Change in fair value of warrants | ||||||
0 | 2,524 | 257 | 0 | -324 | 27 | -5,337 |
Inventory provision | ||||||
- | - | - | - | 627 | 0 | 0 |
Loss on extinguishment of debt | ||||||
0 | -838 | -860 | 0 | 0 | - | - |
Bargain purchase gain | ||||||
- | - | - | - | - | 3,473 | 0 |
Gain (loss) on sale of fixed assets | ||||||
0 | -22 | 115 | 0 | 35 | -139 | 0 |
Tenant improvement reimbursement | ||||||
- | - | - | - | - | 0 | - |
Write down of asset retirement obligation | ||||||
- | - | - | - | -268 | -1,102 | 0 |
Foreign currency translation loss | ||||||
-42 | -51 | -37 | -5 | -67 | 152 | 0 |
Amortization of premiums and discounts on marketable securities | ||||||
610 | 327 | 0 | 0 | - | - | - |
Non-cash lease cost | ||||||
2,787 | 0 | 0 | - | - | - | - |
Deferred rent | ||||||
- | - | - | - | 0 | 0 | - |
Changes in operating assets and liabilities: | ||||||
Inventory | ||||||
3,258 | -235 | 305 | 2,108 | 86 | -119 | 0 |
Deferred rent | ||||||
- | - | - | -1,568 | 0 | - | - |
Accounts receivable | ||||||
8,714 | 5,184 | 1,177 | 6,174 | 2,728 | 8,139 | 0 |
Prepaid and other current assets | ||||||
106 | 1,267 | 261 | 701 | -572 | 455 | 65 |
Accounts payable | ||||||
-1,024 | 899 | -1,361 | -1,076 | 1,726 | 2,773 | -571 |
Accrued expenses | ||||||
1,018 | 1,493 | 1,050 | 920 | -764 | 3,007 | 237 |
Operating lease liabilities | ||||||
-2,512 | - | - | - | - | - | - |
Asset retirement obligation | ||||||
- | - | - | - | - | 0 | 0 |
Other non-current assets and liabilities, net | ||||||
-64 | -208 | 826 | 217 | -132 | 175 | 0 |
Net cash provided by operating activities | ||||||
-7,183 | -412 | -13,183 | -19,892 | -13,346 | -25,410 | -19,943 |
Investing activities: | ||||||
Purchases of short-term investments | ||||||
63,092 | 66,549 | 0 | 0 | - | 1,450 | 0 |
Maturities of short term investments | ||||||
85,577 | 2,200 | 0 | - | - | - | - |
Purchases of long term investments | ||||||
9,254 | 0 | 0 | - | - | - | - |
Maturities of short-term investments | ||||||
- | - | - | 0 | - | - | - |
Expenditures for property, plant and equipment | ||||||
2,616 | 2,678 | 1,510 | 1,415 | 2,427 | 829 | 40 |
Other | ||||||
- | - | - | - | -35 | -101 | 0 |
Net cash provided by investing activities | ||||||
10,615 | -67,027 | -1,510 | -1,415 | -2,392 | -2,178 | -40 |
Financing activities: | ||||||
Net proceeds from equity offering | ||||||
0 | 70,028 | 0 | 0 | - | - | - |
Net proceeds from common stock issuance due to stock option exercises | ||||||
5,286 | 4,361 | 8,220 | - | - | - | - |
Net proceeds from issuance of common stock | ||||||
- | - | - | 19,455 | 11 | 49,934 | 14,438 |
Deferred financing costs | ||||||
0 | 0 | 30 | 213 | 0 | 0 | - |
Proceeds from exercise of warrants | ||||||
0 | 2,716 | 4,010 | 0 | 0 | - | - |
Borrowings under revolving and term loan credit agreements | ||||||
0 | 0 | 14,793 | 12,710 | 0 | 0 | - |
Proceeds from Issuance of Warrants | ||||||
0 | 0 | 207 | 190 | 0 | 0 | - |
Payments on term loan credit agreement | ||||||
0 | 0 | 889 | 2,400 | 0 | 0 | - |
Repayments of Debt | ||||||
0 | 17,532 | 7,151 | 38 | 35 | 8 | 34 |
Fee on long-term debt | ||||||
0 | 710 | 583 | 0 | 0 | - | - |
Other | ||||||
-26 | 0 | 0 | - | - | - | - |
Net cash provided by financing activities | ||||||
5,260 | 58,863 | 18,577 | 29,704 | -24 | 49,926 | 14,404 |
Net increase in cash, cash equivalents, and restricted cash | ||||||
8,692 | -8,576 | 3,884 | 8,397 | -15,762 | 22,284 | -5,579 |
Effect of exchange rate changes on cash | ||||||
- | - | - | - | - | -54 | 0 |
Supplemental cash flow information (non-cash): | ||||||
Additions to equipment in process included in accounts payable | ||||||
- | - | - | - | - | - | 1,263 |
Acquisition of business through promissory note | ||||||
- | - | - | - | - | 2,500 | 0 |
Stock Issued | ||||||
- | - | - | 3,150 | 3,150 | 0 | 0 |
Warrants exchanged for common stock | ||||||
- | - | - | - | - | 965 | 0 |
Additions to equipment in process included in accounts payable | ||||||
- | - | - | 18 | 42 | 199 | 0 |
Equipment acquired under capital lease | ||||||
- | - | - | - | - | 153 | 0 |
Interest paid, net of interest capitalized | ||||||
- | - | - | - | - | 0 | - |