Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.7.0.1
Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Summary of Significant Accounting Policies (Textual)    
Revenues $ 13,481,000 $ 14,087,000
Stock-based compensation 283,000 364,000
Fair value of the derivative liability $ 154,000  
Reverse stock split, Description The board of directors was authorized by the Company's stockholders to effect a 1 for 15 reverse stock split of its issued and outstanding shares of common stock which was effective March 1, 2017. The financial statements and accompanying notes give effect to the 1 for 15 reverse stock split as if it occurred at the beginning of the first period presented.  
Multiple deliverable elements [Member]    
Summary of Significant Accounting Policies (Textual)    
Revenues $ 3,100,000 $ 5,300,000