CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 1,191		$ 1,626
Accounts receivable, net	7,298		5,314
Inventories, net	4,009		3,957
Other current assets	879		938
Total current assets	13,377		11,835
PROPERTY AND EQUIPMENT:
Equipment	11,376		11,255
Furniture, fixtures & leasehold improvements	3,876		3,874
Property, Plant and Equipment, Gross	15,252		15,129
Less: accumulated depreciation	(13,416)		(13,126)
Property, Plant and Equipment, Net	1,836		2,003
OTHER ASSETS:
Goodwill	6,918		6,918
Intangibles, net	8,665		9,195
Other assets	295		327
Assets	31,091		30,278
CURRENT LIABILITIES:
Current maturities of long-term debt	691		242
Accounts payable	3,537		2,860
Accrued compensation	1,213		1,330
Accrued expenses	2,040		2,037
Deferred revenue	1,212		1,088
Other liabilities	1,068		1,068
Total current liabilities	9,761		8,625
LONG TERM LIABILITIES:
Long-term debt, less current maturities	6,211		6,318
Common stock warrant liability	350		600
Accrued preferred stock dividend	2,521		1,986
Other long-term liabilities	1,897		1,303
Total liabilities	20,740		18,832
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.01 par value, 15,000,000 shares authorized, 4,029,502 and 2,586,205 shares issued and outstanding, respectively	40		26
Common stock, $0.01 par value, 150,000,000 shares authorized, 7,353,695 and 7,353,695 shares issued and outstanding, respectively (1)	73	[1]	73	[1]
Additional paid-in capital (1)	186,920	[1]	179,459	[1]
Accumulated other comprehensive income	424		390
Accumulated deficit	(177,106)		(168,502)
Total stockholders’ equity	10,351		11,446
Liabilities and equity	$ 31,091		$ 30,278

[1] The shares of common stock and additional paid-in capital for all periods presented reflect the one-for-twelve reverse stock split that took effect on January 27, 2014.