Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 40,482	$ 63,663
Trade accounts receivable, less allowance for doubtful accounts of $9,560 and $8,923 at June 30, 2016 and December 31, 2015, respectively	56,438	59,839
Inventories	61,334	57,563
Prepaid expenses and other current assets	19,734	31,187
Total current assets	177,988	212,252
Property, plant and equipment, net	52,499	52,306
Patents and other intangible assets, net	7,822	5,302
Goodwill	53,565	53,565
Deferred income taxes	56,443	57,306
Other long-term assets	16,421	19,491
Total assets	364,738	400,222
Current liabilities:
Trade accounts payable	13,676	16,391
Other current liabilities	63,523	65,597
Total current liabilities	77,199	81,988
Other long-term liabilities	29,308	27,923
Total liabilities	106,507	109,911
Contingencies (Note 11)
Shareholders’ equity:
Common shares $0.10 par value; 50,000,000 shares authorized; 18,108,540 and 18,659,696 issued and outstanding as of June 30, 2016 and December 31, 2015, respectively	1,811	1,866
Additional paid-in capital	205,337	232,126
Retained earnings	59,057	62,551
Accumulated other comprehensive loss	(7,974)	(6,232)
Total shareholders’ equity	258,231	290,311
Total liabilities and shareholders’ equity	$ 364,738	$ 400,222