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Equity Instruments (Tables)
 6 Months Ended 12 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Equity Instruments [Abstract]    
Schedule of assumptions  
  Year Ended June 30,
  2017  2016
     
Expected volatility 178% - 185% 75%
Risk free interest rate 0.97% - 1.88% 1.16% - 1.90%
Expected term (years) 5.0 -6.5 3.75 - 6.25
Dividend yield 0% 0%
Schedule of stock option activity
  Number of Options  Weighted Average Exercise Price  Weighted Average Remaining Contractual Life in Years 
Outstanding June 30, 2017  38,263  $16.31   8.40 
Granted  -  $-     
Exercised  -  $-     
Forfeited/Cancelled  (1,468) $16.40     
Outstanding December 31, 2017  36,795  $16.30   7.58 
Exercisable at December 31, 2017  27,031  $16.27   7.33 
  Number of
Options		  Weighted
Average
Exercise Price		  Weighted Average
Remaining
Contractual Life in
Years		 
Outstanding June 30, 2015  -  $-   - 
Granted  16,340  $360.20     
Exercised  -  $-     
Forfeited/Cancelled  (209) $362.40     
Outstanding June 30, 2016  16,131  $360.20   9.33 
Granted  23,608  $18.20     
Exercised  -  $-     
Forfeited  (1,408) $83.20     
Cancelled  (68) $64.60     
Outstanding June 30, 2017  38,263  $16.31   8.40 
Exercisable at June 30, 2017  19,341  $16.40   7.95 
Available for grant at June 30, 2017  61,737         
Schedule of options outstanding range of exercise prices  
Range of Exercise Prices  Number of Options Outstanding  Weighted Average Exercise Price  Weighted Average Remaining Contractual Life of Options Outstanding  Number of Options Exercisable  Weighted Average Exercise Price 
$14.00   1,500  $14.00   9.85   -  $14.00 
$16.40   36,763  $16.40   8.34   19,341  $16.40 
     38,263  $16.31   8.40   19,341  $16.40 
Summary of stock-based compensation expense
  Three Months Ended
December 31,		  Six Months Ended
December 31,		 
Selling, general and administrative: 2017  2016  2017  2016 
             
Stock options $81,000  $381,000  $276,000  $1,425,000 
                 
Restricted Stock  32,000   82,000   104,000   157,000 
Total share-based compensation expense $113,000  $463,000  $380,000  $1,582,000 
  Year Ended June 30, 
  2017  2016 
Research and development expenses        
Stock-based compensation $-  $89,000 
Selling, general and administrative expenses        
Stock-based compensation  2,502,000   814,000 
  $2,502,000  $903,000 
         
Unrecognized expense at June 30, 2017 $775,000     
         
Weighted average remaining years to vest  1.81     
Summary of all warrants
  Number of Warrants  Weighted Average Exercise Price  Weighted Average Remaining Contractual Life in Years 
Outstanding June 30, 2017  286,049  $50.29   4.23 
             
Warrants issued in connection with the August 2017 private offering  5,920,002  $3.60     
Warrants issued to underwriters in connection with the August 2017 private offering  394,669  $3.60     
Outstanding December 31, 2017  6,600,720  $5.62   4.61 
   Number of 
Warrants		   Weighted 
Average 
Exercise Price		   Weighted Average 
Remaining Contractual
Life in Years		 
Outstanding June 30, 2015  444  $1,087.20   2.92 
Warrants issued to placement agents for convertible promissory notes  1,115  $156.00     
Warrants issued to investors in connection with the registered offering  86,667  $120.00     
Warrants issued to placement agents for convertible promissory notes  1,129  $96.00     
Warrants issued to placement agents for the registered offering  5,474  $120.00     
Warrants issued to convertible note holders who converted May 5, 2016  15,279  $120.00     
Outstanding June 30, 2016  110,108  $124.02   4.71 
             
Issuance of settlement warrants to initial investors  4,402  $80.00     
Warrants issued to investors in connection with the registered offering  301,014  $37.20     
Warrants issued to placement agents for the registered offering  20,077  $15.00     
Warrants exercised  (149,552) $15.00     
             
Outstanding June 30, 2017  286,049  $50.29   4.23 
Schedule of warrant assumptions  
  Year Ended June 30,
  2017 2016
Expected volatility 156.64% - 169.22% 75%
Risk free interest rate 1.63% - 1.87% 1.07 - 1.76%
Contractual term (years) 3.46 - 4.67 4.2 - 5.0
Dividend yield 0% 0%