Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 5,459	$ 5,784
Accounts receivable, net of allowance for doubtful accounts of $155 and $171, respectively	9,945	11,044
Inventories, net	15,082	12,483
Deferred tax asset, current	455	1,130
Other current assets	1,148	2,514
Total current assets	32,089	32,955
Property and equipment, net	6,543	6,005
Note receivable-related party	1,364	0
Goodwill	21,739	1,120
Deferred tax asset, net of current portion	27,757	26,746
Other long-term assets	72	0
Total assets	89,564	66,826
Current liabilities:
Accounts payable	7,590	5,298
Accrued liabilities	3,475	3,481
Accrued compensation	0	651
Current portion of deferred revenue	2,756	2,407
Line of credit	5,106	2,552
Other short-term borrowings, including current portion of LT debt	982	0
Total current liabilities	19,909	14,389
Long-term note payable, net of current portion	468	0
Deferred revenue, net of current portion, and other	5,233	3,575
Total liabilities	25,610	17,964
Non-Controlling Interest	12,003	0
Public Common Stock subject to redemption	3,894	0
Stockholders' equity:
Preferred stock, $.01 par value, 2,500,000 shares authorized; none issued or outstanding	0	0
Common stock, $.01 par value, 7,500,000 shares authorized; none issued and outstanding	0	0
Public common stock, $.01 par value, 7,500,000 shares authorized; 5,250,328 and 5,372,336 shares issued and outstanding, respectively	58	54
Additional paid-in capital	218,405	218,544
Accumulated other comprehensive income	189	296
Accumulated deficit	(170,595)	(170,032)
Total stockholders' equity	48,057	48,862
Total liabilities and stockholders' equity	$ 89,564	$ 66,826