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Note 14 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

		Common stock								Additional paid in								Accumulated other comprehensive				Total stockholders
		Number				Amount				capital				Deficit				income				equity

Balance, June 30, 2015			11,083,976			$	14,411,616			$	22,492,630			$	(1,848,495	)		$	(833,324	)		$	34,222,427

Exercise of stock options			41,404				272,269				(82,356	)			-				-				189,913
Repurchase and retirement of shares			(398,000	)			(523,696	)			(9,453,799	)			-				-				(9,977,495	)
Stock-based compensation			-				-				128,575				-				-				128,575
Income tax effect related to stock options exercised			-				-				312,092				-				-				312,092
Net income for the period			-				-				-				3,159,457				-				3,159,457
Increase to reflect the present value of Redeemable non-controlling interest			-				-				-				(12,199	)			-				(12,199	)
Unrealized loss on foreign currency forward contracts treated as hedges			-				-				-				-				(724,336	)			(724,336	)
Reclassification to net income due to settlement of foreign currency forward contracts treated as hedges			-				-				-				-				364,330				364,330

Balance, September 30, 2015			10,727,380			$	14,160,189			$	13,397,142			$	1,298,763			$	(1,193,330	)		$	27,662,764

		Common stock								Additional paid in								Accumulated other comprehensive				Total stockholders
		Number				Amount				capital				Deficit				income				equity

Balance, December 31, 2014			11,329,732			$	14,130,059			$	29,090,058			$	(6,955,283	)		$	(622,441	)		$	35,642,393

Exercise of stock options			229,057				1,102,612				(365,244	)			-				-				737,368
Repurchase and retirement of shares			(831,409	)			(1,072,482	)			(17,106,694	)			-				-				(18,179,176	)
Stock-based compensation			-				-				378,228				-				-				378,228
Income tax effect related to stock options exercised			-				-				1,400,794				-				-				1,400,794
Net income for the period			-				-				-				8,278,395				-				8,278,395
Increase to reflect the present value of Redeemable non-controlling interest			-				-				-				(24,349	)			-				(24,349	)
Unrealized loss on foreign currency forward contracts treated as hedges			-				-				-				-				(1,723,248	)			(1,723,248	)
Reclassification to net income due to settlement of foreign currency forward contracts treated as hedges			-				-				-				-				1,152,359				1,152,359

Balance, September 30, 2015			10,727,380			$	14,160,189			$	13,397,142			$	1,298,763			$	(1,193,330	)		$	27,662,764