CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid- in Capital	Accumulated Deficit
Balances (in shares) at Jun. 30, 2015		15,575,041	191,250
Balances at Jun. 30, 2015	$ 23,586	$ 156	$ (809)	$ 24,344	$ (105)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	112,000	112,425
Exercise of stock options	$ 313	$ 1		312
Stock-based compensation	676			676
Issuance of restricted stock (in shares)		52,992
Issuance of restricted stock	0	$ 1		(1)
Shares repurchased (in shares)			(104,365)
Shares repurchased	(745)		$ (745)
Net income (loss)	13				13
Balances (in shares) at Jun. 30, 2016		15,740,458	295,615
Balances at Jun. 30, 2016	$ 23,843	$ 158	$ (1,554)	25,331	(92)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	95,000	95,050
Exercise of stock options	$ 342	$ 1		341
Stock-based compensation	496			496
Issuance of common shares for acquisition (in shares)		415,527
Issuance of common shares for acquisition	1,899	$ 4		1,895
Issuance of restricted stock (in shares)		52,992
Issuance of restricted stock	0
Net income (loss)	(1,293)				(1,293)
Balances (in shares) at Jun. 30, 2017		16,304,027	295,615
Balances at Jun. 30, 2017	25,287	$ 163	$ (1,554)	28,063	(1,385)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	476			476
Issuance of restricted stock (in shares)		52,992
Issuance of restricted stock	$ 0	$ 1		(1)
Issuance of common shares for lease (in shares)	20,617	20,617
Issuance of common shares for lease	$ 83			83
Net income (loss)	(672)				(672)
Balances (in shares) at Jun. 30, 2018		16,377,636	295,615
Balances at Jun. 30, 2018	$ 25,174	$ 164	$ (1,554)	$ 28,621	$ (2,057)