Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.7.0.1
Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Nov. 07, 2016
Aug. 09, 2016
Apr. 24, 2015
Dec. 30, 2016
Nov. 17, 2015
Dec. 31, 2016
Class of Stock [Line Items]            
Proceeds from Issuance of Common Stock           $ 34,788,311
Consummation of Offering Under Shelf Registration [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Shares, New Issues         3,000,005  
Common Stock, Discount on Shares         $ 1,242,002  
Proceeds From Shelf Registration Debt Or Equity Securities     $ 75,000,000      
Stock Offering Expenses On Issue Of Common Stock         125,000  
Additional Stock Offering Expenses On Issue Of Common Stock         284,576  
Proceeds From Issuance Of Common Stock Net Off Offering Expenses And Discount         $ 19,048,456  
Share Price         $ 6.90  
Proceeds from Issuance of Common Stock         $ 19,333,032  
Dialog Semiconductor Plc [Member]            
Class of Stock [Line Items]            
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 17.0257          
Warrant [Member] | Dialog Semiconductor Plc [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Shares, New Issues 763,552          
Stock Issued During Period, Value, New Issues $ 10,000,011          
Common Stock [Member] | Dialog Semiconductor Plc [Member]            
Class of Stock [Line Items]            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 763,552          
Private Placement [Member] | Ascend Legemd Master Fund [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Shares, New Issues   1,618,123        
Share Price   $ 12.36        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   1,618,123        
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 23.00        
Stock Issued During Period, Value, New Issues   $ 20,000,000        
Private Placement [Member] | Dialog Semiconductor Plc [Member]            
Class of Stock [Line Items]            
Share Price $ 13.0967          
Private Placement [Member] | JT Group [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Shares, New Issues       292,056    
Share Price       $ 17.12    
Stock Issued During Period, Value, New Issues       $ 4,999,975