CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 23,528	$ 21,747
Restricted cash	959	1,140
Contract receivables, net	14,129	18,863
Prepaid expenses and other current assets	3,122	2,052
Total current assets	41,738	43,802
Equipment, software, and leasehold improvements	6,962	6,759
Accumulated depreciation	(5,844)	(5,527)
Equipment, software, and leasehold improvements, net	1,118	1,232
Software development costs, net	836	982
Goodwill	5,612	5,612
Intangible assets, net	361	454
Other assets	210	1,574
Total assets	49,875	53,656
Current liabilities:
Accounts payable	580	923
Accrued expenses	2,875	2,437
Accrued compensation	1,890	2,624
Billings in excess of revenue earned	17,447	21,444
Accrued warranty	1,232	1,137
Current contingent consideration	1,552	2,105
Other current liabilities	719	716
Total current liabilities	26,295	31,386
Other liabilities	1,325	1,149
Total liabilities	27,620	32,535
Commitments and contingencies
Stockholders' equity:
Preferred stock $.01 par value, 2,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock $0.01 par value, 30,000,000 shares authorized, 20,777,168 and 20,433,608 shares issued and 19,178,257 and 18,834,697 shares outstanding	208	204
Additional paid-in capital	75,562	75,120
Accumulated deficit	(48,866)	(49,427)
Accumulated other comprehensive loss	(1,650)	(1,777)
Treasury stock at cost, 1,598,911 shares	(2,999)	(2,999)
Total stockholders' equity	22,255	21,121
Total liabilities and stockholders' equity	$ 49,875	$ 53,656