CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 3,664	$ 3,523
Accounts receivable, net of allowance of $498 and $50, respectively	4,354	4,454
Contract assets	585	814
Prepaid expenses and other current assets	98	156
Total current assets	8,701	8,947
Property, plant and equipment, net	2,992	7,964
Intangibles, net	47	50
Right-of-use operating lease assets	3,742	4,334
Other assets	439	256
Total assets	15,921	21,551
Current liabilities:
Accounts payable and accrued liabilities	2,094	2,204
Contract liabilities	956	623
Current portion of PPP loan payable	553	0
Current lease liabilities	1,213	1,181
Total current liabilities	4,816	4,008
PPP loan payable	558	0
Operating lease liability, long-term	2,561	3,180
Total liabilities	7,935	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	73,595	73,521
Treasury stock, 3,364,645 and 2,620,830 shares, respectively, at cost	(2,808)	(2,284)
Accumulated deficit	(62,817)	(56,890)
Total stockholders' equity	7,986	14,363
Total liabilities and stockholders' equity	$ 15,921	$ 21,551