CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 59,433	$ 62,438
Restricted cash	0	4,901
Accounts receivable, net	143,662	151,578
Contract assets	28,253	0
Inventories, net	147,186	162,589
Prepaid expenses and other current assets	14,312	11,687
Assets held for sale	0	12,517
Income tax receivable	2,509	1,587
Total current assets	395,355	407,297
Property, plant, and equipment, net	107,039	110,962
Goodwill	48,522	48,651
Intangible assets, net	26,708	29,041
Deferred income taxes	7,152	7,913
Other assets	4,326	4,566
Total assets	589,102	608,430
Current liabilities:
Accounts payable	116,590	119,165
Line of credit	111,000	138,000
Accrued compensation	32,964	34,499
Accrued sales discounts, rebates and royalties	7,987	8,882
Accrued income taxes	6,665	3,670
Other accrued liabilities	21,050	28,719
Total current liabilities	296,256	332,935
Long-term liabilities:
Long-term contingent consideration	9,730	13,400
Deferred income taxes	1,530	4,423
Income tax payable	2,520	2,520
Other long-term liabilities	1,581	1,603
Total liabilities	311,617	354,881
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; 23,861,547 and 23,760,434 shares issued on June 30, 2018 and December 31, 2017, respectively	239	238
Paid-in capital	271,500	265,195
Treasury stock, at cost, 9,927,853 and 9,702,874 shares on June 30, 2018 and December 31, 2017, respectively	(269,179)	(262,065)
Accumulated other comprehensive income (loss)	(18,011)	(16,599)
Retained earnings	292,936	266,780
Total stockholders' equity	277,485	253,549
Total liabilities and stockholders' equity	$ 589,102	$ 608,430