Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Series B Warrant [Member] Common Stock [Member]	Series B Warrant [Member] Paid in Capital in Excess of Par [Member]	Series B Warrant [Member]	Common Stock [Member]	Paid in Capital in Excess of Par [Member]	Accumulated Deficit [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2014				2,012,326
Balance at Jun. 30, 2014				$ 2	$ 171,460	$ (122,822)	$ 58	$ 48,698
Issuance of common shares and compensation related to restricted common stock awards, net of stock surrenders (in shares)				12,801
Issuance of common shares and compensation related to restricted common stock awards, net of stock surrenders					414			414
Stock-based compensation expense					660			660
Common stock issued to directors in lieu of cash compensation (in shares)				2,259
Common stock issued to directors in lieu of cash compensation					45			45
Foreign currency translation							(63)	(63)
Net loss						(14,852)		(14,852)
Balance (in shares) at Jun. 30, 2015				2,027,386
Balance at Jun. 30, 2015				$ 2	172,579	(137,674)	(5)	34,902
Stock-based compensation expense					710			710
Common stock issued to directors in lieu of cash compensation (in shares)				4,720
Common stock issued to directors in lieu of cash compensation					24			24
Foreign currency translation							(32)	(32)
Net loss						(18,588)		(18,588)
Balance (in shares) at Jun. 30, 2016				3,010,687
Balance at Jun. 30, 2016				$ 3	188,569	$ (156,262)	$ (37)	32,273
Stock-based compensation expense, net of stock surrenders (in shares)				11,577
Discount due to beneficial conversion features					7,262			7,262
Discount due to warrants					4,434			4,434
Issuance of common shares and warrants in financing (in shares)				735,294
Issuance of common shares and warrants in financing				$ 1	$ 2,463			$ 2,464
Issuance of common shares for exercise of Series B warrants (in shares)	231,710
Issuance of common shares for exercise of Series B warrants		$ 1,097	$ 1,097