Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Details Textual)

v3.2.0.727
Common Stock (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Payments of Stock Issuance Costs $ 1,000,000  
Gross Proceeds From Issuance Of Common Stock 17,250,000  
Proceeds from Issuance of Common Stock $ 15,924,405 $ 0
IPO [Member]    
Stock Issued During Period, Shares, New Issues 2,225,825  
Underwriters [Member]    
Stock Issued During Period, Shares, New Issues 290,325