Note 11 - Stock Based Compensation (Detail) - Summary of Outstanding Stock Options	1 Months Ended	12 Months Ended
	May 18, 2012	Dec. 31, 2012	Dec. 31, 2011
Beginning Balance		2,919,232	2,681,639
Granted	40,000	430,000	395,750
Exercised		(240,639)	(112,626)
Cancelled		(47,200)	(45,531)
Ending Balance		3,061,393	2,919,232
The 2008 Plan [Member]
Beginning Balance		2,734,624
Granted		430,000
Exercised		(229,765)
Cancelled		(38,700)
Ending Balance		2,896,159
The 2000 Plan [Member]
Beginning Balance		184,608
Exercised		(10,874)
Cancelled		(8,500)
Ending Balance		165,234