CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 5,448	$ 3,550
Contract receivables, net	10,421	11,257
Prepaid expenses and other current assets	4,299	5,262
Total current assets	20,168	20,069
Equipment, software and leasehold improvements, net	850	839
Software development costs, net	555	532
Goodwill	13,339	13,339
Intangible assets, net	2,760	3,020
Restricted cash - long term	1,583	0
Operating lease right-of-use assets, net	1,047	1,200
Other assets	52	52
Total assets	40,354	39,051
Current liabilities:
Line of credit	0	1,817
Current portion of long-term note	830	0
Accounts payable	1,133	1,179
Accrued expenses	1,474	1,358
Accrued compensation	2,235	1,452
Billings in excess of revenue earned	5,180	5,029
Accrued warranty	682	667
Income taxes payable	1,781	1,654
Derivative liabilities	1,611	0
Other current liabilities	1,625	1,883
Total current liabilities	16,551	15,039
Long-term note, less current portion	2,955	0
Operating lease liabilities noncurrent	502	790
Other noncurrent liabilities	283	179
Total liabilities	20,291	16,008
Commitments and contingencies (Note 16)
Stockholders' equity:
Preferred stock $0.01 par value; 2,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock $0.01 par value; 60,000,000 shares authorized, 22,609,043 and 22,533,005 shares issued, 21,010,132 and 20,934,094 shares outstanding, respectively	226	225
Additional paid-in capital	80,777	80,505
Accumulated deficit	(58,018)	(54,584)
Accumulated other comprehensive income (loss)	77	(104)
Treasury stock at cost, 1,598,911 shares	(2,999)	(2,999)
Total stockholders' equity	20,063	23,043
Total liabilities and stockholders' equity	$ 40,354	$ 39,051