CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 6,388	$ 4,497
Accounts receivable, net	8,039	8,081
Inventories, net	4,407	5,092
Other current assets	1,083	1,047
Total current assets	19,917	18,717
PROPERTY AND EQUIPMENT:
Equipment	10,993	10,682
Furniture, fixtures & leasehold improvements	3,861	3,848
Property, Plant and Equipment, Gross	14,854	14,530
Less: accumulated depreciation	(12,703)	(12,340)
Property, Plant and Equipment, Net	2,151	2,190
OTHER ASSETS:
Goodwill	6,918	6,918
Intangibles, net	9,941	10,764
Other assets	436	202
Assets	39,363	38,791
CURRENT LIABILITIES:
Current maturities of long term debt	727	6,171
Accounts payable	1,748	2,052
Accrued compensation	997	1,121
Accrued expenses	2,286	3,686
Deferred revenue	1,089	1,171
Other liabilities	1,067	1,067
Total current liabilities	7,914	15,268
LONG TERM LIABILITIES:
Long term debt, less current maturities	7,273	0
Common stock warrant liability	300	900
Accrued preferred stock dividend	1,623	1,260
Other long-term liabilities	1,235	1,089
Total liabilities	18,345	18,517
STOCKHOLDERS’ EQUITY:
Series A preferred stock, $.01 par value, 15,000,000 shares authorized, 2,586,205 shares issued and outstanding	26	26
Common stock, $.01 par value, 150,000,000 shares authorized, 88,245,725 and 71,645,725 shares issued and outstanding, respectively	887	721
Additional paid-in capital	178,448	170,881
Accumulated other comprehensive income	262	435
Accumulated deficit	(158,605)	(151,789)
Total stockholders’ equity	21,018	20,274
Liabilities and equity	$ 39,363	$ 38,791