Note 8 - Income Taxes (Details) - Provision for Income Taxes (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current provision:
Federal	$ 2,982,023	$ 3,054,862	$ 2,155,653
State	527,042	415,244	375,336
	3,509,065	3,470,106	2,530,989
Deferred provision (benefit):
Federal	399,032	(107,843)	229,540
State	46,945	(12,688)	27,004
	445,977	(120,531)	256,544
	$ 3,955,042	$ 3,349,575	$ 2,787,533

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.