CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 58,927	$ 74,302
Accounts receivable, net	137,094	139,198
Contract assets	9,911	12,579
Inventories	142,243	145,135
Prepaid expenses and other current assets	6,427	6,733
Income tax receivable	1,573	805
Total current assets	356,175	378,752
Property, plant and equipment, net	85,304	90,732
Goodwill	48,416	48,447
Intangible assets, net	19,284	19,830
Operating lease right-of-use assets	18,359	19,826
Deferred income taxes	4,078	4,409
Other assets	2,618	2,163
Total assets	534,234	564,159
Current liabilities:
Accounts payable	89,558	102,588
Line of credit	78,000	68,000
Accrued compensation	31,837	43,668
Accrued sales discounts, rebates and royalties	9,000	9,766
Accrued income taxes	6,693	6,989
Other accrued liabilities	31,081	35,445
Total current liabilities	246,169	266,456
Long-term liabilities:
Operating lease obligations	14,069	15,639
Contingent consideration	195	4,349
Deferred income taxes	2,461	1,703
Income tax payable	1,368	1,600
Other long-term liabilities	13	13
Total liabilities	264,275	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; 24,255,522 and 24,118,088 shares issued on March 31, 2020 and December 31, 2019, respectively	243	241
Paid-in capital	291,350	288,338
Treasury stock, at cost, 10,343,366 and 10,174,199 shares on March 31, 2020 and December 31, 2019, respectively	(284,108)	(277,817)
Accumulated other comprehensive income (loss)	(29,790)	(22,781)
Retained earnings	292,264	286,418
Total stockholders' equity	269,959	274,399
Total liabilities and stockholders' equity	$ 534,234	$ 564,159