XML 45 R34.htm IDEA: XBRL DOCUMENT v3.19.2
Business Acquisition - Additional Information (Details) - Sensi ML - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Jan. 03, 2019
Restructuring Cost And Reserve [Line Items]      
Business Acquisition, Date of Agreement   Jan. 03, 2019  
Amortization of intangible assets $ 38,000 $ 74,000  
Acquisition costs   $ 104,000  
Common stock escrow security     $ 200,000