Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 26,422	$ 25,006
Accounts receivable, net	18,254	16,269
Receivable from sale of HSOR business	0	2,501
Contract assets	4,219	2,759
Inventory, net	11,713	10,294
Prepaid expenses and other current assets	3,268	1,287
Total current assets	63,876	58,116
Property and equipment, net	2,111	3,466
Intangible assets, net	9,193	10,194
Goodwill	10,542	10,542
Long-term contract assets	577	449
Other assets	7,855	2,341
Deferred tax asset	1,729	1,416
Total assets	95,883	86,524
Current liabilities:
Accounts payable	3,177	2,787
Accrued liabilities	7,716	10,369
Contract liabilities	3,721	3,888
Total current liabilities	14,614	17,044
Other long-term liabilities	7,761	2,011
Total liabilities	22,375	19,055
Commitments and contingencies (Note 13)
Stockholders’ equity:
Common stock, par value $0.001, 100,000,000 shares authorized, 32,510,506 and 31,788,896 shares issued, 30,823,065 and 30,149,105 shares outstanding at September 30, 2020 and December 31, 2019, respectively	33	32
Treasury stock at cost, 1,687,441 and 1,639,791 shares at September 30, 2020 and December 31, 2019, respectively	(4,666)	(4,337)
Additional paid-in capital	91,034	88,022
Accumulated deficit	(12,893)	(16,248)
Total stockholders’ equity	73,508	67,469
Total liabilities and stockholders’ equity	$ 95,883	$ 86,524