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