XML 73 R61.htm IDEA: XBRL DOCUMENT v3.21.1
Liability Related to the Sale of Future Proceeds from Disposition of Subsidiary (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Placement Agency Agreement [Member]    
Cash received from sale of future proceeds from disposition of subsidiary $ 800,000
Liabilities related to sale of future proceeds from disposition of subsidiary - beginning balance 602,000
Non-Cash other income recognized (402,000) (282,000)
Non-Cash interest expense recognized 122,000 85,000
Liabilities related to sale of future proceeds from disposition of subsidiary - ending balance 322,000 602,000
Less: unamortized transaction costs (3,000) (3,000)
Liability related to sale of future proceeds from disposition of subsidiary, net $ 319,000 $ 599,000