Note 11 - Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Share-based Compensation, Activity [Table Text Block]

	Shares			Weighted Average Exercise Price
Options outstanding, January 1, 2011		2,681,639		$	0.64
2011
Granted		395,750		$	1.24
Exercised		(112,626	)		0.44
Canceled or expired		(45,531	)		0.89
Options outstanding, December 31, 2011		2,919,232		$	0.64
2012
Granted		430,000		$	1.12
Exercised		(240,639	)		0.54
Canceled or expired		(47,200	)		1.14
Options outstanding, December 31, 2012		3,061,393		$	0.71

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

	2012		2011
Grant date weighted average fair value of options granted during the year	$	1.12	$	1.24

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding at December 31, 2012		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable at December 31, 2012		Weighted Average Exercise Price
Less than $1.01		2,226,185		6.60	$	0.51		1,672,435	$	0.51
$1.01 - $2.00		827,208		8.74		1.24		165,216		1.24
$2.01 - $4.00		7,750		6.46		3.23		2,750		3.23
Greater than $4.00		250		.60		4.65		250		4.65
Total		3,061,393						1,840,651

Stock Options [Member]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Outstanding Options
Plan	Beginning Balance		Granted		Exercised			Cancelled			December 31, 2012 Balance
2008 Plan		2,734,624		430,000		(229,765	)		(38,700	)		2,896,159
2000 Plan		184,608		–		(10,874	)		(8,500	)		165,234
Total		2,919,232		430,000		(240,639	)		(47,200	)		3,061,393

Restricted Stock [Member]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Restricted Stock
Plan:	Beginning Balance at 1/1/2012		Shares Granted during 2012		Shares Vested  during 2012		Shares Cancelled during 2012		Unvested Restricted Stock shares outstanding at12/31/2012
2008 Plan		100,000		-		20,000		-		80,000
2000 Plan		-		25,000		-		-		25,000