CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 74,302	$ 53,207
Accounts receivable, net	139,198	144,689
Contract assets	12,579	25,572
Inventories, net	145,135	144,350
Prepaid expenses and other current assets	6,733	11,638
Income tax receivable	805	997
Total current assets	378,752	380,453
Property, plant and equipment, net	90,732	95,840
Goodwill	48,447	48,485
Intangible assets, net	19,830	24,370
Operating lease right-of-use assets	19,826
Deferred income taxes	4,409	1,833
Other assets	2,163	4,615
Total assets	564,159	555,596
Current liabilities:
Accounts payable	102,588	107,282
Line of credit	68,000	101,500
Accrued compensation	43,668	33,965
Accrued sales discounts, rebates and royalties	9,766	9,574
Accrued income taxes	6,989	3,524
Other accrued liabilities	35,445	24,011
Total current liabilities	266,456	279,856
Long-term liabilities:
Operating lease obligations	15,639
Long-term contingent consideration	4,349	8,435
Deferred income taxes	1,703	930
Income tax payable	1,600	1,647
Other long-term liabilities	13	1,768
Total liabilities	289,760	292,636
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; 24,118,088 and 23,932,703 shares issued on December 31, 2019 and 2018, respectively	241	239
Paid-in capital	288,338	276,103
Treasury stock, at cost, 10,174,199 and 10,116,459 shares on December 31, 2019 and 2018, respectively	(277,817)	(275,889)
Accumulated other comprehensive income (loss)	(22,781)	(20,281)
Retained earnings	286,418	282,788
Total stockholders' equity	274,399	262,960
Total liabilities and stockholders' equity	$ 564,159	$ 555,596