Note 5 - Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	For the three months ended June 30, 2013
Expected volatility	37.5%	–	38.3%
Expected term (in years)	3.2	–	3.3
Risk-free rate		0.43%
Expected dividends		0%

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

	Number of Options			Weighted Average Exercise Price
Outstanding as of January 1, 2013		2,606,500		$	1.10
Issued		166,500		$	1.12
Exercised		(118,670	)	$	1.08
Forfeited		(72,330	)	$	1.33
Expired		-			-
Outstanding as of June 30, 2013		2,582,000		$	1.09
Exercisable as of June 30, 2013		1,034,165		$	1.17

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

Outstanding:
	Range of Exercise Prices			Stock Options Outstanding		Weighted Average Exercise Price	Weighted Average Remaining Contractual Life
$	0.55	$	1.00	218,000	$	0.76	5.33
$	1.01	$	1.50	2,203,000	$	1.09	8.40
$	1.51	$	1.68	161,000	$	1.67	7.66
Total				2,582,000	$	1.09	8.10

Schedule of Exercisable Options by Exercise Price Range [Table Text Block]

Exercisable:
Range of Exercise Prices				Stock Options Exercisable		Weighted Average Exercise Price
$	0.55	$	1.00		212,000	$	0.75
$	1.01	$	1.50		672,165	$	1.19
$	1.51	$	1.68		150,000	$	1.67
Total					1,034,165	$	1.17

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Number of Restricted Stock		Weighted Average Exercise Price
Non-vested balance at January 1, 2013		29,334	$	1.00
Changes during the period:
Shares granted		-		-
Shares vested		-		-
Shares forfeited		-		-
Non-vested balance at June 30, 2013		29,334	$	1.00