Note 8 - Commitments and Contingencies (Details) (USD $)	3 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	$ 500,000
Debt Instrument, Basis Spread on Variable Rate (in Basis Points)	2.50%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	4.50%
Debt Instrument, Interest Rate, Stated Percentage		5.25%
Line of Credit Facility, Amount Outstanding		$ 0	$ 0