Net Income (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net income (loss) attributable to common stockholders—basic	$ 1,615	$ (1,071)
Net income (loss) attributable to nonvested restricted stockholders	3	(3)
Net income (loss)	$ 1,618	$ (1,074)
Weighted average common shares outstanding - basic (in shares)	16,562,984	16,269,368
Shares issuable under stock options (in shares)	121,335	0
Weighted average common shares outstanding—diluted (in shares)	16,684,319	16,269,368
Net income (loss) per common share - basic (in US$ per share)	$ 0.10	$ (0.07)
Net income (loss) per common share - diluted (in US$ per share)	$ 0.10	$ (0.07)