Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,762,000	$ 2,101,000	[1]
Accounts receivable, net	5,251,000	4,947,000	[1]
Inventories	2,723,000	2,869,000	[1]
Prepaid expenses and other receivables	814,000	641,000	[1]
Total current assets	10,550,000	10,558,000	[1]
Property, plant and equipment, net	2,750,000	2,623,000	[1]
Product acquisition costs, net	1,706,000	1,766,000	[1]
Restricted cash, long term	54,000	54,000	[1]
License fee, net	150,000	200,000	[1]
Debt issuance costs, net	53,000	69,000	[1]
Other	355,000	157,000	[1]
Total assets	15,618,000	15,427,000	[1]
Current liabilities:
Accounts payable	2,246,000	1,523,000	[1]
Accrued expenses	2,234,000	2,915,000	[1]
Deferred income	135,000	768,000	[1]
Capital lease obligation	11,000	15,000	[1]
Total current liabilities	4,626,000	5,221,000	[1]
Note payable, bank	3,000,000	3,000,000	[1]
Other long term liabilities	8,000	15,000	[1]
Total liabilities	7,634,000	8,236,000	[1]
Commitments and contingencies			[1]
Common stock, $0.01 par value, 60,000,000 shares authorized; 47,129,621 and 46,748,575 shares issued and outstanding as of June 30, 2014 and December 31, 2013, respectively	491,000	487,000	[1]
Additional paid-in capital	52,508,000	51,541,000	[1]
Accumulated deficit	(45,015,000)	(44,837,000)	[1]
Total stockholders’ equity	7,984,000	7,191,000	[1]
Total liabilities and stockholders' equity	$ 15,618,000	$ 15,427,000	[1]

[1] Derived from the audited December 31, 2013 financial statements