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Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
Preferred Stock
Common Stock
Additional paid-in capital
Accumulated Deficit
Total
Balance at Jun. 30, 2016 $ 1 $ 56,646,677 $ (46,561,425) $ 10,085,253
Balance, shares at Jun. 30, 2016 9,355      
Lincoln Park stock issuance, net of issuance costs 648,933   648,933
Lincoln Park stock issuance, net of issuance costs, shares 966      
Stock-based compensation 2,502,092   2,502,092
Issuance of restricted stock 724,613   724,613
Issuance of restricted stock, shares 2,500      
Common stock issued to executives 509,996   509,996
Common stock issued to executives, shares 357      
Issurance of warrants to initial investors 596,434   596,434
Issuance of common stock, net of in issuance costs $ 1 3,671,580   3,671,581
Issuance of common stock, net of in issuance costs, shares 14,338      
Warrants issued in connection with registered offering 3,470,646   3,470,646
Warrants issued in connection with registered offering to the placement agents for the over-allotment option 172,629   172,629
Warrants issued in connection with the registered offering to the placement agents, non-cash issuance costs 292,630   292,630
Warrant tender offer, net of issuance costs $ 1 1,931,122   1,931,123
Warrant tender offer, net of issuance costs, shares 7,478      
Warrant amendments 64,690   64,690
Investment in Subsidiary $ 1 1,837,499   1,837,500
Investment in Subsidiary, shares   6,250      
Net loss (22,508,304) (22,508,304)
Balance at Jun. 30, 2017 $ 4 73,069,541 (69,069,729) 3,999,816
Balance, shares at Jun. 30, 2017 41,244      
Stock-based compensation 348,515 348,515
Issuance of restricted stock $ 4 248,415 248,419
Issuance of restricted stock, shares 38,350      
Issurance of warrants to initial investors     179,287   179,287
Warrants issued in connection with registered offering 2,439,360 2,439,360
Earn-out payment to Nuelle shareholders 250,000 250,000
Earn-out payment to Nuelle shareholders, shares 3,208      
Issuance of preferred and common stock, net of cash issuance costs $ 1 $ 16 6,319,150 6,319,167
Issuance of preferred and common stock, net of cash issuance costs, shares 113 159,834      
Issuance of preferred and common stock, net of cash issuance costs $ 1 $ 108 9,166,316 9,166,425
Issuance of preferred and common stock, net of cash issuance costs, shares 161 1,076,000      
Preferred stock converted in common stock $ (2) $ 39 (37)
Preferred stock converted in common stock, shares (274) 394,839      
S-3 registered offering cost     (60,450)   (60,450)
Warrant exercises $ 8 677,092 677,100
Warrant exercises, shares   80,750      
Warrant amendments 4,633 4,633
Warrant exercise of derivative warrants 40,096 40,096
Adjustment for rounding of shares due to stock split
Adjustment for rounding of shares due to stock split, shares 537      
Net loss (10,187,863) (10,187,863)
Balance at Jun. 30, 2018 $ 179 $ 92,681,918 $ (79,257,592) $ 13,424,505
Balance, shares at Jun. 30, 2018 1,794,762