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Liability Related to the Sale of Future Proceeds from Disposition of Subsidiary (Tables)
 9 Months Ended
Sep. 30, 2019
Liability Related To Sale Of Future Proceeds From Disposition Of Subsidiary Tables Abstract  
Schedule of activity within the liability account

Liabilities related to sale of future proceeds from disposition of subsidiaries – beginning balance  $— 
Cash received from sale of future proceeds from disposition of subsidiary   800,000 
Non-Cash other income recognized   (198,000)
Non-Cash interest expense recognized   60,000 
Liabilities related to sale of future proceeds from disposition of subsidiary – ending balance   662,000 
Less: unamortized transaction costs   (3,000)
Liability related to sale of future proceeds from disposition of subsidiary, net  $659,000