CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit
Balance at beginning (in shares) at Jun. 30, 2017		16,304,027	295,615
Balances at beginning 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 common shares for lease (in shares)		20,617
Issuance of common shares for lease	83			83
Issuance of restricted stock (in shares)		52,992
Issuance of restricted stock	0	$ 1		(1)
Net income (loss)	(672)				(672)
Balance at end (in shares) at Jun. 30, 2018		16,377,636	295,615
Balances at end at Jun. 30, 2018	25,174	$ 164	$ (1,554)	28,621	(2,057)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	191			191
Issuance of restricted stock (in shares)		52,992
Issuance of restricted stock	0	$ 1		(1)
Net income (loss)	849				849
Balance at end (in shares) at Dec. 31, 2018		16,430,628	295,615
Balances at end at Dec. 31, 2018	$ 26,552	$ 165	$ (1,554)	$ 28,811	$ (870)