CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 9,672	$ 12,123
Contract receivables, net	19,065	21,077
Prepaid expenses and other current assets	2,210	1,800
Total current assets	30,947	35,000
Equipment, software, and leasehold improvements	5,522	5,293
Accumulated depreciation	(4,419)	(4,228)
Equipment, software, and leasehold improvements, net	1,103	1,065
Software development costs, net	599	615
Goodwill	16,709	13,170
Intangible assets, net	8,454	6,080
Deferred tax assets	7,049	5,461
Operating lease - right of use assets, net	4,071	0
Other assets	64	49
Total assets	68,996	61,440
Current liabilities:
Current portion of long-term debt, net of debt issuance costs and original issue discount	4,773	1,902
Accounts payable	1,879	1,307
Accrued expenses	1,145	2,646
Accrued compensation	3,006	3,649
Billings in excess of revenue earned	6,165	10,609
Accrued warranty	1,136	981
Income taxes payable	1,163	1,176
Other current liabilities	1,133	60
Total current liabilities	20,400	22,330
Long-term debt, less current portion, net of debt issuance costs and original issue discount	16,161	6,610
Operating lease liabilities	3,439	0
Other liabilities	1,375	1,371
Total liabilities	41,375	30,311
Commitments and contingencies
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, 21,698,635 shares issued, 20,099,724 shares outstanding as of June 30, 2019; 60,000,000 shares authorized, 21,485,445 shares issued, 19,886,534 shares outstanding as of December 31, 2018	217	214
Additional paid-in capital	79,028	78,118
Accumulated deficit	(46,930)	(42,569)
Accumulated other comprehensive loss	(1,695)	(1,635)
Treasury stock at cost, 1,598,911 shares on June 30, 2019 and December 31, 2018	(2,999)	(2,999)
Total stockholders' equity	27,621	31,129
Total liabilities and stockholders' equity	$ 68,996	$ 61,440