Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 27,893	$ 47,874
Available-for-sale securities	57,303	31,743
Trade receivables, net of allowances of $119 and $170	42,685	45,458
Inventories	53,354	47,030
Prepaids and other current assets	7,240	8,020
Income taxes receivable	17	3,231
Total current assets	188,492	183,356
Property, plant and equipment, net	15,827	17,468
Goodwill	62,030	61,888
Other intangible assets, net	57,743	69,800
Deferred income tax assets, non-current	0	11
Other assets	684	543
Total assets	324,776	333,066
Liabilities and Shareholders' Equity
Trade payables	66,899	66,020
Accrued liabilities	10,764	12,892
Warranty obligations, current portion	3,718	3,500
Note payable, current portion, net of unamortized debt issuance costs of $7 and $7	15,993	15,993
Total current liabilities	97,374	98,405
Warranty obligations, non-current	2,399	3,950
Income taxes payable, non-current	2,955	2,403
Deferred income tax liabilities, non-current	8,558	16,991
Other long-term liabilities	2,315	2,481
Note payable, non-current, net of unamortized debt issuance costs of $14 and $21	31,986	47,979
Total liabilities	145,587	172,209
Commitments and contingencies (Note 21)
Common stock - no par value, 75,000 shares authorized, 30,305 and 30,825 shares issued and outstanding	0	578
Retained earnings	179,448	161,496
Accumulated other comprehensive loss	(259)	(1,217)
Total shareholders' equity	179,189	160,857
Total liabilities and shareholders' equity	$ 324,776	$ 333,066