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Fair Value Considerations (Tables)
6 Months Ended 12 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Fair Value Considerations [Abstract]    
Summary of fair value on a recurring basis
  Fair Value Measurements Using 
  Level 1  Level 2  Level 3  Total 
December 31, 2017            
LIABILITIES            
Warrant derivative liability $-  $-  $3,300,000  $3,300,000 
Contingent consideration $-  $-  $8,013,000  $8,013,000 
                 
June 30, 2017                
LIABILITIES                
Warrant derivative liability $-  $-  $-  $- 
Contingent consideration $-  $-  $7,648,000  $7,648,000
  Fair Value Measurements Using 
  Level 1  Level 2  Level 3  Total 
June 30, 2017            
ASSETS            
Investment in Acerus $-  $-  $-  $- 
                 
LIABILITIES                
Warrant derivative liability $-  $-  $-  $- 
Contingent consideration $-  $-  $7,648,000  $7,648,000 
                 
June 30, 2016                
ASSETS                
Investment in Acerus $1,041,000  $-  $-  $1,041,000 
                 
LIABILITIES                
Warrant derivative liability $-  $-  $276,000  $276,000 
Contingent consideration $-  $-  $3,869,000  $3,869,000 
Summary of significant assumptions in valuing the warrant derivative liability
  December 31, 
2017
  At Issuance 
Warrants:      
Volatility  177.1%  188.0%
Equivalent term (years)  4.63   5.00 
Risk-free interest rate  2.16%  1.83%
Dividend yield  0.00%  0.00%

  February 28, 2017  June 30, 2016 
Warrants:        
Volatility  160.7%  75.0%
Equivalent term (years)  4.18   4.84 
Risk-free interest rate  1.87%  0.99%
Dividend yield  0.00%  0.00%
Summary of reconciliation of changes in the fair value of financial liabilities classified as Level 3 in the fair valued hierarchy
  Derivative Instruments 
    
Balance as of June 30, 2017 $- 
Warrant issuances  4,118,000 
Change in fair value included in earnings  (818,000)
Balance as of December 31, 2017 $3,300,000 
  Derivative Instruments 
    
Balance as of June 30, 2016 $276,000 
Warrant issuances  - 
Change in fair value included in earnings (February 28, 2017)  (213,000)
Reclassification of warrant from liability to equity upon amendment  (63,000)
Balance as of June 30, 2017 $- 
Summary of changes in the contingent consideration
  Contingent Consideration 
    
Balance as of June 30, 2017 $7,648,000 
Increase due to accretion  384,000 
Decrease due to contractual payment  (19,000)
Balance as of December 31, 2017 $8,013,000