Note 7 - Note Payable (Details) (USD $)	12 Months Ended						0 Months Ended		12 Months Ended	28 Months Ended		12 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended		7 Months Ended	11 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 27, 2012	Dec. 31, 2013 Warrant [Member]	Dec. 31, 2013 Closing Price Per Share [Member]	Nov. 25, 2013 Warrant [Member]	Nov. 25, 2013 Hercules [Member] Hercules Credit Agreement [Member]	Nov. 25, 2013 Oxford and Horizon [Member]	Dec. 31, 2013 November 2011 Capital Lease [Member]	Feb. 28, 2014 November 2011 Capital Lease [Member]	Nov. 30, 2011 November 2011 Capital Lease [Member]	Dec. 31, 2013 October 2009 Capital Lease [Member]	Dec. 31, 2013 Contract Termination [Member] Oxford and Horizon Credit Agreement [Member]	Nov. 25, 2013 Hercules Credit Agreement [Member]	Dec. 31, 2013 Hercules Credit Agreement [Member]	Nov. 30, 2013 Hercules Credit Agreement [Member]	Dec. 31, 2012 Oxford and Horizon Credit Agreement [Member]	Nov. 30, 2013 Oxford and Horizon Credit Agreement [Member]	Jun. 27, 2013 Term A Loan [Member]	Dec. 31, 2013 Credit Agreement [Member]	Nov. 25, 2013 Warrant [Member] Hercules [Member] Hercules Credit Agreement [Member]
Note 7 - Note Payable (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 10,000,000				$ 20,000,000
Loan Tranche Amount			5,000,000				5,000,000
Repayments of Lines of Credit								4,000,000
Line of Credit Facility, Remaining Borrowing Capacity							15,000,000
Debt Instrument, Basis Spread on Variable Rate							11.25%
Debt Conversion, Converted Instrument, Warrants or Options Issued (in Shares)	11,415						194,986
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.01	$ 0.01			$ 2.80														$ 2.92		$ 3.59
Deferred Finance Costs, Net	217,715			73,654		521,763								352,378
Fair Value Assumptions, Expected Volatility Rate		92.02%												102.00%						74.30%
Fair Value Assumptions, Risk Free Interest Rate		0.73%												1.37%						1.10%
Fair Value Assumptions, Expected Term		1 year 47 days												5 years						3 years 6 months
Fair Value Assumptions, Exercise Price (in Dollars per share)														$ 3.55
Amortization of Deferred Charges															57,813
Interest Expense, Debt															29,892		300,278	572,264
Repayments of Debt and Capital Lease Obligations													4,100,000
Proceeds from Issuance of Debt																4,000,000
Amortization of Financing Costs																	43,215	248,160
Debt Instrument, Interest Rate, Stated Percentage	11.75%
Note Stock Conversion Rate	3.00%
Warrants Issued Expiration Period	7 years
Capital Leased Assets, Gross											144,448
Debt Instrument, Periodic Payment									10,891	5,651
Payments for (Proceeds from) Loans and Leases												$ 67,817