Consolidated Statements of Cash Flows - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Cash flows from operating activities: |
|
|
| Net loss |
$ (5,206)
|
$ (11,448)
|
| Adjustments to reconcile net loss to net cash used in operating activities: |
|
|
| Depreciation and amortization |
2,815
|
2,112
|
| Change in fair value of common stock warrant liability |
(3,248)
|
4,599
|
| Loss on sale of equipment |
|
19
|
| Gain on forgiveness of debt |
(1,963)
|
|
| Stock-based compensation |
650
|
158
|
| Amortization of operating lease right-of-use assets |
(63)
|
698
|
| Changes in operating assets and liabilities: |
|
|
| Accounts receivable |
1,547
|
(1,348)
|
| Unbilled accounts receivable |
(849)
|
(98)
|
| Inventories |
747
|
453
|
| Prepaid expenses and other current assets |
128
|
187
|
| Deferred revenues |
(371)
|
148
|
| Operating lease liabilities |
187
|
(730)
|
| Accounts payable, accrued expenses, and other current liabilities |
(1,805)
|
353
|
| Net cash used in operating activities |
(7,431)
|
(4,897)
|
| Cash flows from investing activities: |
|
|
| Purchase of equipment |
(1,420)
|
(1,089)
|
| Purchase of equipment, government grant |
(10,475)
|
(1,411)
|
| Proceeds from sale of equipment |
|
50
|
| Net cash used in investing activities |
(11,895)
|
(2,450)
|
| Cash flows from financing activities: |
|
|
| Borrowings (repayments) under revolving line of credit, net |
99
|
(1,016)
|
| Proceeds from public offering, net |
183
|
9,783
|
| Proceeds from Paycheck Protection Program loan |
|
1,963
|
| Change in finance lease liabilities |
(293)
|
(17)
|
| Proceeds from government grant |
9,064
|
3,505
|
| Proceeds from warrant exercise |
5,652
|
40
|
| Proceeds from exercise of stock options |
725
|
|
| Net cash provided by financing activities |
15,430
|
14,258
|
| Net (decrease) increase in cash, cash equivalents, and restricted cash |
(3,896)
|
6,911
|
| Cash, cash equivalents, and restricted cash, beginning of period |
10,426
|
3,515
|
| Cash, cash equivalents, and restricted cash, end of period |
6,530
|
10,426
|
| Cash, cash equivalents, end of period |
5,724
|
8,315
|
| Restricted cash, end of period |
806
|
2,111
|
| Supplementary Cash Flow Information |
|
|
| Cash paid for interest |
851
|
52
|
| Cash paid for income taxes |
|
|
| Non-cash activities: |
|
|
| Right-of-use assets obtained in exchange for finance lease liabilities |
$ 263
|
$ 12,706
|