Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Feb. 14, 2017
Feb. 03, 2017
Jun. 30, 2017
Jun. 30, 2016
Stockholders' Equity (Textual)        
Issuance and sale of common stock   500,000    
Purchase price per share   $ 4.25    
Gross proceeds of common stock value   $ 2,125    
Offering costs value   $ 199    
Proceeds from issuance of private placement and public offering     $ 7,375 $ 7,375
Beneficial ownership, percentage     10.00%  
Series A Preferred Stock [Member]        
Stockholders' Equity (Textual)        
Series A preferred stock purchase right, description Each Right entitles the registered holder, upon the occurrence of certain events specified in the Rights Agreement, to purchase from the Company one one-thousandth of a share of the Company's Series A Preferred Stock at a price of $7.00), subject to certain adjustments.