Note 14 - Share-Based Payments (Tables)

9 Months Ended

Sep. 30, 2012

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

	Three months ended September 30, 2012					Three months ended September 30, 2011
	Number of Shares			Weighted Average exercise price per share		Number of Shares			Weighted Average exercise price per share
Outstanding, beginning of period		8,524,499		$	0.62		8,237,124		$	0.55
Granted		220,000			1.38		706,000			0.74
Exercised		(20,187	)		0.70		(22,583	)		0.47
Forfeited		(56,689	)		0.83		(24,875	)		0.75
Expired		(3,000	)		0.44		—			—
Outstanding, end of period		8,664,623		$	0.64		8,895,666		$	0.54
Options exercisable, end of period		7,160,766		$	0.57		7,155,916		$	0.54

	Nine months ended September 30, 2012					Nine months ended September 30, 2011
	Number of Shares			Weighted Average exercise price per share		Number of Shares			Weighted Average exercise price per share
Outstanding, beginning of period		8,746,041		$	0.57		8,272,249		$	0.56
Granted		769,000			1.36		706,000			0.74
Exercised		(693,340	)		0.52		(29,833	)		0.47
Forfeited		(154,064	)		0.80		(52,750	)		0.72
Expired		(3,014	)		0.44		—			—
Outstanding, end of period		8,664,623		$	0.64		8,895,666		$	0.54
Options exercisable, end of period		7,160,766		$	0.57		7,155,916		$	0.54

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

					Options outstanding								Options exercisable
Exercise price					Outstanding Number		Weighted average exercise price per share		Weighted Average remaining contractual life (years)		Aggregate intrinsic value		Number exercisable		Weighted average exercise price per share		Aggregate intrinsic value
$	0.31	-	$	0.48		3,133,074	$	0.38		0.9	$	2,834,818		3,133,074	$	0.38	$	2,834,818
$	0.56	-	$	0.75		3,836,549	$	0.66		3.6		2,392,655		2,868,692	$	0.64		1,841,014
$	0.80	-	$	1.38		1,695,000	$	1.08		3.6		409,700		1,159,000	$	0.95		399,350
						8,664,623	$	0.64		2.6	$	5,637,173		7,160,766	$	0.57	$	5,075,182