CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents		$ 2,309	$ 1,609
Accounts receivable, net		9,719	7,627
Inventories, net		2,619	3,005
Other current assets		826	1,191
Total current assets		15,473	13,432
PROPERTY AND EQUIPMENT:
Equipment		11,519	11,369
Furniture, fixtures & leasehold improvements		3,877	3,877
Property and equipment, gross		15,396	15,246
Less: accumulated depreciation		(14,076)	(13,764)
Property and equipment, net		1,320	1,482
OTHER ASSETS:
Goodwill		6,918	6,918
Intangibles, net		7,549	7,964
Other assets		149	210
Assets		31,409	30,006
CURRENT LIABILITIES:
Current maturities of long-term debt		2,825	462
Accounts payable		4,743	4,871
Accrued compensation		1,028	1,129
Accrued expenses		2,698	2,550
Deferred revenue		952	1,035
Other liabilities		1,067	1,068
Total current liabilities		13,313	11,115
LONG TERM LIABILITIES:
Long-term debt, less current maturities		4,850	7,375
Common stock warrant liability		560	145
Accrued preferred stock dividend		0	3,130
Other long-term liabilities		1,762	1,688
Total liabilities		20,485	23,453
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.01 par value, 15,000,000 shares authorized, 4,029,502 shares issued and outstanding		40	40
Common stock, $0.01 par value, 150,000,000 shares authorized, 12,328,918 and 8,084,471 shares issued and outstanding, respectively	[1]	123	81
Additional paid-in capital	[1]	197,187	189,680
Accumulated other comprehensive income		348	340
Accumulated deficit		(186,774)	(183,588)
Total stockholders’ equity		10,924	6,553
Liabilities and stockholders' equity		$ 31,409	$ 30,006

[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.