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Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($)
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, shares at Jun. 30, 2017 0 41,244      
Beginning balance, amount at Jun. 30, 2017 $ 0 $ 4 $ 73,069,541 $ (69,069,729) $ 3,999,816
Stock-based compensation, shares   38,350      
Stock-based compensation, amount   $ 4 596,930 596,934
Earn-out payment to Nuelle shareholders, shares   3,208      
Earn-out payment to Nuelle shareholders, amount   250,000 250,000
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, amount $ 1 $ 16 6,319,150 6,319,167
Issuance of preferred stock and common stock, net of cash issuance costs, shares 161 1,076,000      
Issuance of preferred stock and common stock, net of cash issuance costs, amount $ 1 $ 108 9,166,316 9,166,425
Warrants issued in connection with registered offering     2,439,360 2,439,360
Preferred stock converted into common stock, shares (274) 394,839      
Preferred stock converted into common stock, amount $ (2) $ 39 (37)
S-3 registered offering cost     (60,450) (60,450)
Warrant exercises, shares   80,750      
Warrant exercises, amount   $ 8 677,092 677,100
Issuance of warrants     179,287 179,287
Warrant amendment     4,633 4,633
Warrant exercise of derivative warrants     40,096 40,096
Adjustment for rounding of shares due to stock split, shares   537      
Net loss       (10,187,863) (10,187,863)
Ending balance, shares at Jun. 30, 2018 0 1,794,762      
Ending balance, amount at Jun. 30, 2018 $ 0 $ 179 92,681,918 (79,257,592) 13,424,505
Stock-based compensation, shares   2,681,422      
Stock-based compensation, amount   $ 270 1,021,931 1,022,201
Common stock issued to employee, shares   9,000      
Common stock issued to employee, amount   $ 1 11,689 11,690
Issuance of preferred and common stock, net of cash issuance costs, shares 8,342,993 1,777,007      
Issuance of preferred and common stock, net of cash issuance costs, amount $ 834 $ 178 11,810,373 11,811,385
Issuance of preferred stock and common stock, net of cash issuance costs, shares 400,000        
Issuance of preferred stock and common stock, net of cash issuance costs, amount $ 40   519,560 519,600
Warrants issued in connection with registered offering     1,827,628 1,827,628
Warrants issued in connection with the registered offering to the placement agents, non-cash issuance costs     61,024 61,024
Preferred stock converted into common stock, shares (7,899,160) 7,899,160      
Preferred stock converted into common stock, amount $ (790) $ 789 1    
Issuance of preferred, common stock related to debt conversion, shares 2,751,148 3,120,064      
Issuance of preferred, common stock related to debt conversion, amount $ 275 $ 312 4,666,897 4,667,484
Warrants issued in connection with debt conversion     499,183 499,183
Warrant exercises, shares   250,007      
Warrant exercises, amount   $ 25 375,001 375,026
Adjustment for rounding of shares due to stock split, shares   6,649      
Net loss       (27,131,908) (27,131,908)
Ending balance, shares at Jun. 30, 2019 3,594,981 17,538,071      
Ending balance, amount at Jun. 30, 2019 $ 359 $ 1,754 $ 113,475,205 $ (106,389,500) $ 7,087,818