Note 5 - Loan Credit Agreement (Details) (USD $)	3 Months Ended	9 Months Ended			9 Months Ended		9 Months Ended			9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 06, 2013 Amount Available at Closing [Member] Delayed Draw [Member]	Sep. 06, 2013 Amount Available After Realizing Net Proceeds of At Least $10 Million [Member] Delayed Draw [Member]	Sep. 30, 2013 Threshold for Loan Increase [Member] Delayed Draw [Member]	Sep. 30, 2013 Recognized as Interest Expense Ratably Over Term of Agreement [Member]	Sep. 30, 2013 Lender Fees [Member]	Sep. 30, 2013 Loan Credit Agreement [Member]	Sep. 06, 2013 Loan Credit Agreement [Member]	Sep. 30, 2013 Delayed Draw [Member]	Sep. 06, 2013 Delayed Draw [Member]
Note 5 - Loan Credit Agreement (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 15,000,000	$ 30,000,000							$ 30,000,000
Proceeds from Issuance or Sale of Equity					10,000,000
Line of Credit Facility, Expiration Period										4 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)											1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)											1.3875
Warrants and Rights Outstanding	288,000	288,000						288,000	232,000
Deferred Finance Costs, Net	568,000	568,000				568,000
Payments for Fees							336,000
Amortization of Financing Costs	$ 16,000	$ 16,000