CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash	$ 1,459	$ 2,030
Accounts receivable, net	5,488	4,228
Employee retention tax credit receivable	323	323
Inventory	460	430
Contract assets	2,369	480
Prepaid expenses and other current assets	183	358
Total current assets	10,282	7,849
Property, plant and equipment, net	2,763	2,968
Intangibles, net	68	72
Right-of-use operating lease assets	5,624	5,856
Right-of-use finance lease assets	60	103
Other assets	213	214
Total assets	19,010	17,062
Current liabilities:
Accounts payable and accrued expenses	2,764	3,353
Contract liabilities	2,390	1,377
Short-term borrowings	182	0
Current operating lease liabilities	509	480
Current finance lease liabilities	37	74
Total current liabilities	5,882	5,284
Operating lease liability, long-term	5,873	6,136
Finance lease liability, long-term	24	24
Total liabilities	11,779	11,444
Commitments and contingencies (Note 8)
Stockholders' equity:
Common stock, 24,500,000 shares authorized at $0.001 par value, 15,906,010 issued at June 30, 2024 and December 31, 2023	16	16
Additional paid-in capital	73,725	73,840
Treasury stock, 3,717,808 and 4,017,808 shares at June 30, 2024 and December 31, 2023, respectively, at cost	(2,967)	(3,135)
Accumulated deficit	(63,543)	(65,103)
Total stockholders' equity	7,231	5,618
Total liabilities and stockholders' equity	$ 19,010	$ 17,062