Note 10 - Equity Compensation (Tables)

9 Months Ended

Mar. 31, 2018

Notes Tables

Stock Warrants, Valuation Assumptions [Table Text Block]

	Three Months Ended					Nine Months Ended
	March 31					March 31
	2018		2017			2018			2017
Dividend yield		--		1.93	%		3.35	%		1.85	%
Expected volatility		--		41	%		41	%		42	%
Risk-free interest rate		--		1.92	%		1.77	%		1.31	%
Expected life (yrs.)		--		6.2			6.0			6.1

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

	Nine Months Ended March 31, 2018
	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic  Value
Outstanding at 6/30/17		3,119,688		$	9.12		7.4	$	2,332,224
Granted		794,537		$	5.98
Forfeitures		(493,609	)	$	11.34
Exercised		(42,939	)	$	6.66
Outstanding at 3/31/18		3,377,677		$	8.09		7.2	$	2,837,701
Exercisable at 3/31/18		1,586,881		$	8.20		5.7	$	988,080

	Nine Months Ended March 31, 2017
	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding at 6/30/16		2,976,490		$	8.97		6.6	$	8,338,974
Granted		1,256,623		$	10.67
Forfeitures		(161,812	)	$	16.17
Exercised		(440,146	)	$	7.39
Outstanding at 3/31/17		3,631,155		$	9.43		7.4	$	4,546,991
Exercisable at 3/31/17		1,423,528		$	8.99		5.3	$	2,912,714

Schedule of Nonvested Share Activity [Table Text Block]

	Shares			Weighted-Average Grant Date Fair Value
Unvested at June 30, 2017		1,842,127		$	3.52
Granted		794,537		$	1.73
Vested		(640,984	)	$	3.51
Forfeited		(204,884	)	$	3.46
Unvested at March 31, 2018		1,790,796		$	2.73

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Shares			Weighted-Average Grant Date Fair Value
Unvested at June 30, 2017		133,335		$	10.38
Awarded		91,490		$	5.92
Vested		(43,803	)	$	10.32
Forfeited		(7,000	)	$	10.46
Unvested at March 31, 2018		174,022		$	8.05