CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 33,502	$ 35,247
Restricted cash	926	2,413
Accounts receivable, net of allowances	58,679	76,849
Inventories	28,028	20,981
Prepaid expenses	10,696	8,360
Contract assets	38,487	32,295
Other current assets	3,360	2,826
Total current assets	173,678	178,971
Property and equipment, net	29,613	23,684
Goodwill	32,643	32,643
Right of use assets	20,756	21,395
Deferred tax assets, net	16,352	15,859
Other long-term assets	20,775	14,901
Total assets	293,817	287,453
Current liabilities:
Accounts payable	51,790	45,904
Accrued compensation and benefits	20,140	22,602
Accrued expenses and other current liabilities	39,165	36,031
Income taxes payable	142	62
Less: current portion	10,912	9,710
Deferred revenues	42,114	76,308
Total current liabilities	164,263	190,617
Long-term debt	202,213	172,958
Long-term deferred revenues	22,367	17,842
Long-term lease liabilities	19,884	20,470
Other long-term liabilities	4,044	4,348
Total liabilities	412,771	406,235
Commitments and contingencies (Note 7)
Stockholders' deficit:
Common stock, par value $0.01; authorized: 100,000 shares; issued: 46,935 shares at June 30, 2023 and 46,551 shares at December 31, 2022; outstanding: 44,009 shares at June 30, 2023 and 43,771 shares at December 31, 2022	465	462
Treasury stock	(78,353)	(77,933)
Additional paid-in capital	1,041,280	1,036,287
Accumulated deficit	(1,076,695)	(1,071,718)
Accumulated other comprehensive loss	(5,651)	(5,880)
Total stockholders' deficit	(118,954)	(118,782)
Total liabilities and stockholders' deficit	$ 293,817	$ 287,453