Note 3 - Employee Stock Compensation Plans (Tables)

9 Months Ended

Mar. 31, 2015

Notes Tables

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

	Options			Weighted- Average Exercise Price		Aggregate Intrinsic Value
Outstanding at July 1, 2014		3,311,745		$	0.83
Granted		36,000			1.72
Exercised		(2,010,920	)		0.71
Forfeited		(43,500	)		0.80
Expired		—			—
Outstanding at March 31, 2015		1,293,325		$	0.92	$	1,483,000
Exercisable at March 31, 2015		1,269,325		$	0.89	$	1,474,000
Weighted-average remaining contractual life of shares outstanding	6.6 Years
Weighted-average remaining contractual life of shares exercisable	6.6 Years

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

Range of Exercise Prices			Options Outstanding		Weighted Average Exercise Prices of Options Outstanding		Weighted Average Remaining Contractual Life of Options Outstanding	Options Exercisable		Weighted Average Exercise Prices of Options Exercisable		Weighted Average Remaining Contractual Life of Options Exercisable
$ 0.50	–	0.75		347,975	$	0.70	6.1 years		347,975	$	0.70	6.1 years
0.76	–	1.00		744,100		0.89	7.2 years		744,100		0.89	7.2 years
1.01	–	1.72		201,250		1.42	5.7 years		177,250		1.38	5.1 years
				1,293,325					1,269,325