Consolidated Balance Sheets - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Current assets: |
|
|
| Cash and cash equivalents |
$ 5,724
|
$ 8,315
|
| Restricted cash |
806
|
2,111
|
| Accounts receivable, net |
4,488
|
5,314
|
| Account receivable-due from government awards |
292
|
1,013
|
| Unbilled accounts receivable |
1,102
|
253
|
| Inventories |
7,632
|
8,379
|
| Prepaid expenses and other current assets |
691
|
943
|
| Total current assets |
20,735
|
26,328
|
| Property, plant and equipment, net |
30,483
|
21,132
|
| Operating lease right-of-use assets |
113
|
50
|
| Intangibles and other assets |
37
|
126
|
| Total assets |
51,368
|
47,636
|
| Current liabilities: |
|
|
| Accounts payable |
1,348
|
1,206
|
| Accrued compensation |
1,664
|
1,628
|
| Paycheck Protection Program loan - current |
|
982
|
| Revolving credit facility, net |
1,974
|
1,875
|
| Common stock warrant liability |
1,374
|
4,622
|
| Other accrued expenses |
722
|
1,693
|
| Deferred revenue |
54
|
425
|
| Operating lease liability - current |
60
|
51
|
| Finance lease liability - current |
1,133
|
1,027
|
| Other current liabilities |
608
|
757
|
| Total current liabilities |
8,937
|
14,266
|
| Other liability - long term |
28
|
56
|
| Paycheck Protection Program loan - long term |
|
982
|
| Deferred Income - government awards - long term |
12,458
|
4,309
|
| Operating lease liability - long term |
54
|
|
| Finance lease liability - long term |
11,647
|
11,783
|
| Total liabilities |
33,124
|
31,396
|
| Commitments and contingencies (Note 15) |
|
|
| Shareholders' equity: |
|
|
| Preferred stock, $.001 par value: authorized 10,000,000 shares: Series B Convertible Preferred stock, (liquidation preference of $5,659) stated value $1,000 per share, $0.001 par value: 10,000 shares designated and 5,659 issued and outstanding as of December 31, 2021 and December 31, 2020. |
|
|
| Common stock, $0.001 par value: authorized 200,000,000 shares, issued 72,931,490 shares, outstanding 72,769,424 shares as of December 31, 2021 and issued 68,890,819 shares, outstanding 68,728,753 shares as of December 31, 2020. |
72
|
69
|
| Additional paid-in capital |
275,936
|
268,729
|
| Accumulated deficit |
(257,264)
|
(252,058)
|
| Treasury stock, 162,066 shares as of December 31, 2021 and December 31, 2020. |
(500)
|
(500)
|
| Total shareholders' equity |
18,244
|
16,240
|
| Total liabilities and shareholders' equity |
$ 51,368
|
$ 47,636
|