Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 17,427	$ 14,296
Restricted cash	0	351
Trade receivables, net of allowances of $300 in 2011 and $301 in 2010	23,780	19,633
Inventories	11,601	10,347
Prepaids and other current assets	4,433	5,331
Income taxes receivable	454	456
Short-term notes receivable	317	832
Assets of discontinued operation held-for-sale	0	292
Deferred income tax assets	75	57
Total current assets	58,087	51,595
Property, plant and equipment, net	4,405	3,795
Goodwill	2,873	2,931
Other intangible assets, net	16,716	18,774
Other assets	732	1,272
Total assets	82,813	78,367
Current liabilities:
Trade payables	28,563	24,535
Accrued liabilities	7,218	7,045
Warranty obligations, current portion	1,803	3,539
Deferred income tax liabilities	1,064	1,160
Total current liabilities	38,648	36,279
Long-term notes payable	5,598	5,141
Warranty obligations, non-current	214	396
Income taxes payable, non-current	3,658	3,210
Deferred income tax liabilities, non-current	1,434	1,008
Other long-term liabilities	1,308	1,534
Total liabilities	50,860	47,568
Commitments and contingencies (Note 15)
Stockholders' equity:
Common stock - no par value, 75,000 shares authorized, 30,747 and 30,744 shares issued and outstanding at December 31, 2011 and 2010, respectively	5,360	5,051
Retained earnings	19,715	18,295
Accumulated other comprehensive income	6,878	7,453
Total stockholders' equity	31,953	30,799
Total liabilities and stockholders' equity	$ 82,813	$ 78,367