Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Additional paid-in capital	Retained earnings (accumulated deficit)	Accumulated other comprehensive income (loss)	Non-controlling interest	Total
Balance at Jun. 30, 2016	$ 10	$ (94)	$ 29,702	$ 13,771	$ (6)	$ 1,160	$ 44,543
Balance (in shares) at Jun. 30, 2016	18,804,000	(8,000)
Increase (Decrease) in Stockholders' Equity
Net loss				(10,199)		26	(10,173)
Purchase of membership interest			557			(793)	(236)
Payment of distributions to membership interests						$ (393)	(393)
Cancellation of escrow shares (in shares)	(672,000)
Share-based compensation expense			752				752
Shares issued under employee stock purchase plan			98				98
Shares issued under employee stock purchase plan (in shares)	48,000
Currency translation adjustment					79		79
Other				(3)			(3)
Balance at Jun. 30, 2017	$ 10	$ (94)	31,109	3,569	73		$ 34,667
Balance (in shares) at Jun. 30, 2017	18,180,000	(8,000)					18,180,027
Increase (Decrease) in Stockholders' Equity
Net loss				(13,180)			$ (13,180)
Proceeds from rights offering, net	$ 2		9,783				9,785
Proceeds from rights offering, net (in shares)	5,000,000
Shares issuance for exercise of options			63				$ 63
Shares issuance for exercise of options (in shares)	74,000						91,793
Share-based compensation expense			714				$ 714
Shares issued under employee stock purchase plan			145				145
Shares issued under employee stock purchase plan (in shares)	70,000
Currency translation adjustment					(29)		(29)
Other			15	(16)			(1)
Balance at Jun. 30, 2018	$ 12	$ (94)	$ 41,829	$ (9,627)	$ 44		$ 32,164
Balance (in shares) at Jun. 30, 2018	23,324,000	(8,000)					23,324,316