XML 36 R22.htm IDEA: XBRL DOCUMENT v3.20.1
Selling Arrangement (Tables)
12 Months Ended
Dec. 31, 2019
Selling Arrangement  
Summary of the Carrying Amount of the Selling Arrangement
    2019     2018  
Gross cost   $ 4,000,000     $ 4,000,000  
Accumulated amortization     (3,683,000 )     (3,083,000 )
Net carrying amount   $ 317,000     $ 917,000