CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 20,963	$ 35,247
Restricted cash	926	2,413
Accounts receivable, net of allowances	56,354	76,849
Inventories	28,591	20,981
Prepaid expenses	9,901	8,360
Contract assets	36,718	32,295
Other current assets	3,057	2,826
Total current assets	156,510	178,971
Property and equipment, net	30,656	23,684
Goodwill	32,643	32,643
Right of use assets	19,551	21,395
Deferred tax assets, net	15,725	15,859
Other long-term assets	18,654	14,901
Total assets	273,739	287,453
Current liabilities:
Accounts payable	39,528	45,904
Accrued compensation and benefits	16,991	22,602
Accrued expenses and other current liabilities	39,132	36,031
Income taxes payable	25	62
Less: current portion	14,242	9,710
Deferred revenues	35,863	76,308
Total current liabilities	145,781	190,617
Long-term debt	203,723	172,958
Long-term deferred revenues	24,859	17,842
Long-term lease liabilities	18,654	20,470
Other long-term liabilities	3,907	4,348
Total liabilities	396,924	406,235
Commitments and contingencies (Note 7)
Stockholders' deficit:
Common stock, par value $0.01; authorized: 100,000 shares; issued: 46,995 shares at September 30, 2023 and 46,551 shares at December 31, 2022; outstanding: 44,069 shares at September 30, 2023 and 43,771 shares at December 31, 2022	466	462
Treasury stock	(78,353)	(77,933)
Additional paid-in capital	1,045,258	1,036,287
Accumulated deficit	(1,084,029)	(1,071,718)
Accumulated other comprehensive loss	(6,527)	(5,880)
Total stockholders' deficit	(123,185)	(118,782)
Total liabilities and stockholders' deficit	$ 273,739	$ 287,453