Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share - Additional Information (Details)

v3.10.0.1
Net Income (Loss) Per Share - Additional Information (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Net Income (Loss) Per Share [Line Items]        
Diluted weighted average common shares outstanding 10,092,501 10,169,559 9,495,278 10,238,987
Warrant        
Net Income (Loss) Per Share [Line Items]        
Diluted weighted average common shares outstanding       6,281
Options Outstanding        
Net Income (Loss) Per Share [Line Items]        
Diluted weighted average common shares outstanding 526,383 624,324   756,998