Quarterly report pursuant to Section 13 or 15(d)

Equity (Details Textual)

v3.7.0.1
Equity (Details Textual) - USD ($)
1 Months Ended 6 Months Ended
May 15, 2017
Jan. 13, 2017
Feb. 21, 2017
Feb. 14, 2017
Jan. 31, 2017
Jun. 30, 2017
Jun. 30, 2016
Feb. 09, 2017
Dec. 31, 2016
May 02, 2016
Apr. 22, 2016
Class of Stock [Line Items]                      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options           $ 1,300,000          
Common Stock, Shares Authorized           75,000,000     75,000,000 75,000,000  
Share-based Compensation, Total           $ 219,000 $ 162,000        
Shares Issued, Price Per Share           $ 1.35          
Proceeds from Issuance Initial Public Offering $ 1,240,000         $ 4,460,000 $ 9,167,000        
Shares Authorized                   80,000,000  
Preferred Stock, Shares Authorized           5,000,000     5,000,000 5,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           20,000          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price           $ 2.31          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition           3 years 14 days          
Estimated Forfeiture Rate Percentage           0.00%          
Accounts Payable and Accrued Liabilities, Current, Total           $ 645,000     $ 1,069,000    
Maximum [Member]                      
Class of Stock [Line Items]                      
Shares Issued, Price Per Share               $ 1.50      
Minimum [Member]                      
Class of Stock [Line Items]                      
Shares Issued, Price Per Share               $ 1.35      
Former Science Advisory Board [Member]                      
Class of Stock [Line Items]                      
Stock Issued During Period, Shares, Issued for Services   79,167                  
Gain Loss on Noncash Settlement of Liability     $ 150,000                
Accounts Payable and Accrued Liabilities, Current, Total                 $ 240,000    
IPO [Member]                      
Class of Stock [Line Items]                      
Shares Issued, Price Per Share       $ 1.35              
Proceeds from Issuance Initial Public Offering       $ 4,500,000              
Number Of Units issued       3,923,923              
2015 Stock Plan [Member]                      
Class of Stock [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                     2,500,000
Science Advisory Board [Member]                      
Class of Stock [Line Items]                      
Share-based Compensation, Total           $ 200,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         20,000            
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price         $ 2.31            
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period         10 years            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         4 years            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value         $ 35,196            
Science Advisory Board [Member] | Maximum [Member]                      
Class of Stock [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions           2.24%          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           6 years 3 months          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate           89.11%          
Science Advisory Board [Member] | Minimum [Member]                      
Class of Stock [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions           1.30%          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           6 years          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate           70.18%