Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 6,200	$ 6,016
Accounts receivable, net of allowance for doubtful accounts of $209 and $293, respectively	10,274	11,409
Accounts receivable, related party	1,024	1,200
Inventories, net	12,345	11,687
Deferred tax asset, current	2,177	2,156
Other current assets	996	1,443
Total current assets	33,016	33,911
Property and equipment, net	11,384	9,928
Note receivable-related party	1,421	1,407
Goodwill	21,511	21,571
Deferred tax asset, net of current portion	26,262	26,358
Other long-term assets	432	378
Total assets	94,026	93,553
Current liabilities:
Accounts payable	6,325	4,448
Due to - related party	99	0
Accrued liabilities	4,274	4,420
Current portion of deferred revenue	3,646	3,908
Line of credit	922	4,798
Other short-term borrowings, including current portion of LT debt	159	132
Total current liabilities	15,425	17,706
Long-term note payable, net of current portion	309	369
Deferred revenue, net of current portion, and other	13,840	11,298
Total liabilities	29,574	29,373
Non-Controlling Interest	14,246	13,659
Public Common Stock subject to redemption	4,116	3,405
Stockholders' equity:
Public common stock, $.01 par value, 7,500,000 shares authorized; 5,845,931 and 6,067,657 shares issued and outstanding, respectively	61	58
Additional paid-in capital	216,681	217,588
Accumulated other comprehensive income	592	580
Accumulated deficit	(171,244)	(171,110)
Total stockholders' equity	46,090	47,116
Total liabilities and stockholders' equity	$ 94,026	$ 93,553