CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 67,146	$ 74,302
Accounts receivable, net	128,094	139,198
Contract assets	11,530	12,579
Inventories	115,750	145,135
Prepaid expenses and other current assets	5,768	6,733
Income tax receivable	1,536	805
Total current assets	329,824	378,752
Property, plant and equipment, net	84,549	90,732
Goodwill	48,526	48,447
Intangible assets, net	19,617	19,830
Operating lease right-of-use assets	18,678	19,826
Deferred income taxes	4,581	4,409
Other assets	2,842	2,163
Total assets	508,617	564,159
Current liabilities:
Accounts payable	67,546	102,588
Line of credit	50,000	68,000
Accrued compensation	22,890	43,668
Accrued sales discounts, rebates and royalties	10,183	9,766
Accrued income taxes	9,910	6,989
Other accrued liabilities	33,616	35,445
Total current liabilities	194,145	266,456
Long-term liabilities:
Operating lease obligations	13,284	15,639
Contingent consideration	250	4,349
Deferred income taxes	2,327	1,703
Income tax payable	1,368	1,600
Other long-term liabilities	688	13
Total liabilities	212,062	289,760
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding	0	0
Common stock, $0.01 par value, 50,000,000 shares authorized; 24,292,657 and 24,118,088 shares issued on September 30, 2020 and December 31, 2019, respectively	243	241
Paid-in capital	296,674	288,338
Treasury stock, at cost, 10,437,363 and 10,174,199 shares on September 30, 2020 and December 31, 2019, respectively	(287,639)	(277,817)
Accumulated other comprehensive income (loss)	(25,555)	(22,781)
Retained earnings	312,832	286,418
Total stockholders' equity	296,555	274,399
Total liabilities and stockholders' equity	$ 508,617	$ 564,159