Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 36,955	$ 13,606
Accounts receivable, net of allowances of $126 and $212, respectively	31,492	52,538
Inventories	19,369	25,640
Prepaid expenses and other current assets	4,601	4,260
Income taxes receivable		4,975
Total current assets	92,417	101,019
Plant, equipment and leasehold improvements, net	53,419	52,113
Intangible assets, net	46,348	53,988
Goodwill	71,996	73,123
Other assets	240	110
Total assets	264,420	280,353
Current liabilities:
Accounts payable	10,996	17,832
Accrued expenses	17,487	11,315
Deferred revenue and customer deposits	6,729	3,874
Current maturities of long-term debt		9,000
Income taxes payable	64
Total current liabilities	35,276	42,021
Long-term debt, net of current maturities	301,922	300,000
Deferred income taxes	21,261	24,073
Other long-term liabilities	1,234	869
Total liabilities	359,693	366,963
Commitments and contingencies (Note 15)
Stockholders' deficit:
Common Stock; $0.001 par value—100,000,000 shares authorized; 55,359,251 shares issued and outstanding and 56,542,116 shares issued and outstanding at December 31, 2016 and 2015, respectively	55	56
Capital deficiency	(114,881)	(119,028)
Accumulated earnings (deficit)	25,968	36,661
Accumulated other comprehensive loss	(6,415)	(4,299)
Total stockholders' deficit	(95,273)	(86,610)
Total liabilities and stockholders' deficit	$ 264,420	$ 280,353