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Consolidated Statement of Stockholders' Equity - USD ($)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Other Comprehensive Loss [Member]
Balance at Jun. 30, 2016 $ 6,041,057 $ 23,810 $ 21,642,763 $ (15,582,295) $ (43,221)
Balance (in shares) at Jun. 30, 2016   23,809,593      
Fair value of vested stock options 375,244 $ 0 375,244 0 0
Fair value of vested restricted common stock 366,291 $ 268 366,023 0 0
Fair value of vested restricted common stock (in shares)   269,510      
Repurchase of common stock $ (199,328) $ (195) (199,133) 0 0
Repurchase of common stock (in shares) (195,958) [1] (195,958)      
Modification cost of stock options in connection with sale of discontinued operations $ 82,430 $ 0 82,430 0 0
Common stock issued upon exercise of stock options (in shares) 0        
Net loss $ (2,293,563) 0 0 (2,293,563) 0
Foreign currency translation (27,508) 0 0 0 (27,508)
Balance at Jun. 30, 2017 4,344,623 $ 23,883 22,267,327 (17,875,858) (70,729)
Balance (in shares) at Jun. 30, 2017   23,883,145      
Fair value of vested stock options 451,475 $ 0 451,475 0 0
Fair value of vested restricted common stock 332,529 $ 424 332,105 0 0
Fair value of vested restricted common stock (in shares)   423,107      
Forfeited restricted common stock 0 $ (214) 214
Forfeited restricted common stock (in shares)   (214,324)      
Repurchase of common stock $ (152,739) $ (121) (152,618) 0 0
Repurchase of common stock (in shares) (120,900) [1] (120,900)      
Modification cost of stock options $ 6,233 $ 0 6,233 0 0
Common stock issued upon exercise of stock options $ 0 $ 45 (45)
Common stock issued upon exercise of stock options (in shares) 462,766 45,971      
Net loss $ (1,678,741) $ 0 0 (1,678,741) 0
Foreign currency translation (23,978) 0 0 0 (23,978)
Balance at Jun. 30, 2018 $ 3,279,402 $ 24,017 $ 22,904,691 $ (19,554,599) $ (94,707)
Balance (in shares) at Jun. 30, 2018   24,016,999      
[1] Consists of shares of common stock purchased from employees to satisfy tax obligations in connection with the vesting of stock incentive awards.