Earnings (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Net loss attributable to common stockholders—basic	$ (7,225)	$ (4,094)	$ (4,378)	$ (11,638)
Net loss attributable to nonvested restricted stockholders	(69)	(16)	(42)	(56)
Net loss	$ (7,294)	$ (4,110)	$ (4,420)	$ (11,694)
Weighted average shares outstanding—basic	15,548,094	15,247,215	15,519,980	15,214,712
Effect of dilutive securities [Abstract]
Shares issuable under stock options	0	0	0	0
Weighted average shares outstanding—diluted	15,548,094	15,247,215	15,519,980	15,214,712
Net loss per common share—basic and diluted (US$ per share)	$ (0.47)	$ (0.27)	$ (0.28)	$ (0.77)