CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 11,819	$ 30,810
Accounts receivable, net of allowance for doubtful accounts of $2,801 and $2,773, respectively	92,998	71,932
Inventories	152,023	124,214
Prepaid expenses and other	11,888	12,240
Total current assets	268,728	239,196
Property, plant and equipment	198,920	191,022
Less - accumulated depreciation	(74,091)	(68,944)
Property, plant and equipment, net	124,829	122,078
Goodwill	135,464	141,266
Purchased intangible assets, net	229,365	255,576
Deferred tax assets	7,094	6,930
Other assets	98,075	99,366
Total assets	863,555	864,412
Current liabilities:
Accounts payable	45,179	40,276
Accrued expenses	9,818	13,585
Accrued income taxes	289	9
Accrued employee compensation and benefits	11,631	9,766
Contract liabilities	33,202	21,052
Current portion of long-term debt	15,000	15,000
Other current liabilities	6,291	6,126
Total current liabilities	121,410	105,814
Long-term debt	125,017	132,425
Deferred tax liabilities	2,019	2,202
Other long-term liabilities	62,858	66,250
Total liabilities	311,304	306,691
Commitments and contingencies (Note 12)
Redeemable noncontrolling interest	197,196	197,196
Stockholders’ equity
Preferred stock, $0.05 par value; 4,000,000 shares authorized; no issued and outstanding shares	0	0
Common stock, $0.05 par value; 50,000,000 shares authorized; 20,119,929 and 19,920,829 shares issued, respectively	1,006	996
Additional paid-in capital	298,905	294,515
Retained earnings	106,043	111,031
Other cumulative comprehensive loss	(30,329)	(26,538)
Treasury stock, at cost, and company stock held for deferred compensation, at par; 597,758 and 570,415 shares, respectively	(20,570)	(19,479)
Total stockholders’ equity	355,055	360,525
Total liabilities, redeemable noncontrolling interest, and stockholders’ equity	$ 863,555	$ 864,412