CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 58,825	$ 57,153
Accounts receivable, net	139,894	129,433
Contract assets	9,173	9,685
Inventories	123,981	120,430
Prepaid expenses and other current assets	6,155	6,828
Income tax receivable	2,877	3,314
Total current assets	340,905	326,843
Property, plant and equipment, net	79,199	87,285
Goodwill	48,510	48,614
Intangible assets, net	20,695	19,710
Operating lease right-of-use assets	17,726	19,522
Deferred income taxes	4,345	5,564
Other assets	2,144	2,752
Total assets	513,524	510,290
Current liabilities:
Accounts payable	85,635	83,229
Line of credit	53,000	20,000
Accrued compensation	24,982	28,931
Accrued sales discounts, rebates and royalties	7,035	10,758
Accrued income taxes	1,598	3,535
Other accrued liabilities	32,522	33,057
Total current liabilities	204,772	179,510
Long-term liabilities:
Operating lease obligations	11,948	13,681
Contingent consideration	0	292
Deferred income taxes	180	1,913
Income tax payable	1,054	1,054
Other long-term liabilities	332	539
Total liabilities	218,286	196,989
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; 24,627,589 and 24,391,595 shares issued on September 30, 2021 and December 31, 2020, respectively	246	244
Paid-in capital	311,964	302,084
Treasury stock, at cost, 11,476,672 and 10,618,002 shares on September 30, 2021 and December 31, 2020, respectively	(339,712)	(295,495)
Accumulated other comprehensive income (loss)	(13,881)	(18,522)
Retained earnings	336,621	324,990
Total stockholders' equity	295,238	313,301
Total liabilities and stockholders' equity	$ 513,524	$ 510,290