Note 10 - Income Taxes (Detail) - Components of income taxes (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 135,031	$ 476,857
State	7,782	98,481
Total current tax provision	142,813	575,338
Deferred:
Federal	(150,999)	454,559
State	(27,308)	(21,380)
Total deferred tax provision	(178,307)	433,179
Income tax (benefit) expense	$ (35,494)	$ 1,008,517