CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 4,045	$ 3,523
Accounts receivable, net of allowance of $476 and $50, respectively	3,902	4,454
Contract assets	275	814
Prepaid expenses and other current assets	101	156
Total current assets	8,323	8,947
Property, plant and equipment, net	2,779	7,964
Intangibles, net	46	50
Right-of-use operating lease assets	3,444	4,334
Other assets	366	256
Total assets	14,958	21,551
Current liabilities:
Accounts payable and accrued liabilities	2,144	2,204
Contract liabilities	448	623
Current lease liabilities	1,234	1,181
Total current liabilities	3,826	4,008
PPP loan payable	1,111	0
Operating lease liability, long-term	2,247	3,180
Total liabilities	7,184	7,188
Stockholders' equity:
Common stock, $0.001 par value, 24,500,000 shares authorized, 15,756,010 and 15,906,010 shares issued, respectively	16	16
Additional paid-in capital	73,634	73,521
Treasury stock, 3,367,145 and 2,620,830 shares, respectively, at cost	(2,809)	(2,284)
Accumulated deficit	(63,067)	(56,890)
Total stockholders' equity	7,774	14,363
Total liabilities and stockholders' equity	$ 14,958	$ 21,551