XML 18 R33.htm IDEA: XBRL DOCUMENT v3.19.3
Stock Options Excluded from Calculation of Diluted Net Loss Per Share (Details Narrative) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Net income (loss) per share:        
Stock Options Excluded from Calculation of Diluted Net Income (Loss) Per Share 2,128,547 2,358,059 2,189,372 2,358,059