Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Narrative)

v3.8.0.1
Organization and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended
Nov. 10, 2017
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Net loss   $ 3,399,000 $ 512,000  
Net cash used in operating activities   2,082,000 $ 1,833,000  
Accumulated deficit   224,028,000   $ 220,629,000
Proceeds from issuance of private placement   1,400,000    
Reverse stock split 1 for 12 reverse stock split      
May 14, 2018 [Member]        
Proceeds from issuance of public offering   $ 15,000,000