Note 8 - Note Payable (Detail) (USD $)	3 Months Ended	12 Months Ended				3 Months Ended			28 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Jun. 27, 2012	Mar. 31, 2013 Warrant [Member]	Jun. 27, 2012 Term A Loan [Member]	Mar. 31, 2013 Credit Agreement [Member]	Mar. 31, 2013 October 2009 Capital Lease [Member]	Nov. 30, 2011 October 2009 Capital Lease [Member]	Feb. 28, 2014 November 2011 Capital Lease [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 10,000,000
Loan Tranche Amount			5,000,000
Debt Instrument, Interest Rate, Stated Percentage			11.75%
Note Stock Conversion Rate	3.00%
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.01	$ 0.01			$ 2.92
Debt Conversion, Converted Instrument, Warrants or Options Issued (in Shares)	51,370
Warrants Issued Expiration Period	7 years
Deferred Finance Costs, Net	31,560			73,654
Fair Value Assumptions, Expected Volatility Rate	65.80%	92.00%				74.30%
Fair Value Assumptions, Risk Free Interest Rate	0.77%	0.73%				1.10%
Fair Value Assumptions, Expected Term	1 year	1 year 47 days				3 years 6 months
Fair Value Assumptions, Exercise Price (in Dollars per share)	$ 2.80
Increase (Decrease) in Prepaid Expense	291,369
Line of Credit Facility, Periodic Payment, Interest	146,875
Capital Leased Assets, Gross								144,448
Debt Instrument, Periodic Payment							57,141		5,651
Payments for (Proceeds from) Loans and Leases							$ 16,954