Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 29,021	$ 45,206
Available-for-sale securities	45,647	26,984
Trade receivables, net of allowances of $25 and $108	19,091	26,260
Inventories	35,575	24,896
Prepaids and other current assets	5,973	6,987
Income taxes receivable	132	50
Deferred income tax assets, current portion	8,851	12,368
Total current assets	144,290	142,751
Property, plant and equipment, net	11,689	9,634
Goodwill	2,185	2,520
Other intangible assets, net	10,466	10,575
Long-term deferred income tax assets	3,541	9,546
Other assets	471	628
Total assets	172,642	175,654
Liabilities and Shareholders' Equity
Trade payables	38,895	47,574
Accrued liabilities	8,704	9,851
Warranty obligations	2,658	2,246
Total current liabilities	50,257	59,671
Income taxes payable	3,758	3,725
Other long-term liabilities	1,720	1,186
Total liabilities	$ 55,735	$ 64,582
Commitments and contingencies (Note 13)
Shareholders' equity:
Common stock - no par value, 75,000 shares authorized, 30,982 and 31,333 shares issued and outstanding	$ 191	$ 8,033
Retained earnings	117,804	103,347
Accumulated other comprehensive loss	(1,088)	(308)
Total shareholders' equity	116,907	111,072
Total liabilities and shareholders' equity	$ 172,642	$ 175,654