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Note 9 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

	Year ending December 31:
	2013		$	2,950,179
	2014			2,348,945
	2015			1,768,549
	2016			1,127,051
	2017			634,742
	2018			65,728
	Total minimum lease payments		$	8,895,194