Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 1,654	$ 1,709
Accounts receivable, net of allowance of $93 and $102	1,742	1,966
Inventory	2,223	2,386
Prepaid expenses and other current assets	264	204
Total current assets	5,883	6,265
Fixed assets, net of accumulated depreciation of $1,787 and $1,648	497	844
Other assets	640	548
Total assets	7,020	7,657
Current liabilities:
Accounts payable	885	1,278
Accrued expenses	767	1,323
Taxes payable	45	64
Deferred rent, current portion	30	25
Capital lease obligations, current portion	24	23
Total current liabilities	1,751	2,713
Capital lease obligations	58	82
Long-term liabilities — other	427	457
Shareholders’ equity:
Authorized — 100,000,000; issued and outstanding shares — 38,530,416 and 32,100,882 shares, respectively	52,867	50,090
Additional paid-in capital	7,590	7,116
Accumulated other comprehensive income	451	420
Accumulated deficit	(56,124)	(53,221)
Total shareholders’ equity	4,784	4,405
Liabilities and Equity	$ 7,020	$ 7,657