Quarterly report pursuant to Section 13 or 15(d)

Capital Structure - Additional Information (Details)

v3.7.0.1
Capital Structure - Additional Information (Details)
Jun. 30, 2017
$ / shares
shares
Apr. 27, 2017
$ / shares
shares
Dec. 31, 2016
$ / shares
shares
Oct. 20, 2015
class_of_stock
Class of Stock [Line Items]        
Number of classes of stock authorized | class_of_stock       2
Capital stock, shares authorized 205,000,000      
Common stock, shares authorized 200,000,000   200,000,000  
Preferred stock, shares authorized 5,000,000   5,000,000  
Common stock, par value (usd per share) | $ / shares $ 0.001   $ 0.001  
Preferred stock, par value (usd per share) | $ / shares $ 0.001   $ 0.001  
Securities Purchase Agreement        
Class of Stock [Line Items]        
Conversion price (usd per share) | $ / shares   $ 0.35    
Securities Purchase Agreement | Preferred Stock | Series A Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, shares authorized   4,179    
Preferred stock, par value (usd per share) | $ / shares   $ 1,000    
Securities Purchase Agreement | Common Stock        
Class of Stock [Line Items]        
Convertible preferred stock, common shares authorized   11,940,000