Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 1,456	$ 1,709
Accounts receivable, net of allowance of $127 and $102	2,424	1,966
Inventory	2,805	2,386
Prepaid expenses and other current assets	130	204
Total current assets	6,815	6,265
Fixed assets, net of accumulated depreciation of $1,721 and $1,648	562	844
Other assets	652	548
Total assets	8,029	7,657
Current liabilities:
Accounts payable	1,347	1,278
Accrued expenses	898	1,323
Taxes payable	39	64
Other current liabilities	52	48
Total current liabilities	2,336	2,713
Long-term liabilities - other	500	539
Shareholders' equity:
Common stock, no par value: Authorized - 100,000,000; issued and outstanding shares - 38,538,640 and 32,100,882 shares, respectively	52,904	50,090
Additional paid-in capital	7,508	7,116
Accumulated other comprehensive income	457	420
Accumulated deficit	(55,676)	(53,221)
Total shareholders' equity	5,193	4,405
Total liabilities and shareholders' equity	$ 8,029	$ 7,657