Note 4 - Acquisitions (Detail) (USD $)					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Oct. 14, 2011	Dec. 31, 2011 Trade Names [Member] STC [Member]	Dec. 31, 2011 STC [Member] Trade Names [Member]	Dec. 31, 2011 STC [Member] Noncompete Agreements [Member]	Dec. 31, 2012 STC [Member]	Dec. 31, 2011 STC [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment							$ 5,248,134
Business Acquisition, Purchase Price Allocation, Notes Payable and Long-term Debt							410,904
Debt Instrument, Increase, Accrued Interest							3,081
Business Acquisition, Purchase Price Allocation, Deferred Tax Liabilities, Noncurrent	1,889,202	2,233,458	1,889,202
Business Acquisition, Purchase Price Allocation, Goodwill Amount			420,505				420,505
Acquired Finite-lived Intangible Asset, Amount				$ 16,200		$ 41,200	$ 1,672,200
Finite-Lived Intangible Asset, Useful Life					5 years	2 years		10 years