• Filing Date: 2021-03-31
  • Form Type: 10-K
  • Description: Annual report
v3.21.1
Financial Instruments - Schedule of Cash and Marketable Securities by Significant Investment Category (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Adjusted Cost $ 11,567,000 $ 1,096,000
Unrealized Gain/(Loss) 3,851,000
Fair Value 15,418,000 1,096,000
Cash and Cash Equivalents 5,226,000 1,096,000
Current Marketable Securities 9,136,000
Investments 1,056,000
Level 2 [Member] | Warrant [Member]    
Adjusted Cost 700,000
Unrealized Gain/(Loss) 356,000
Fair Value 1,056,000
Cash and Cash Equivalents
Current Marketable Securities
Investments 1,056,000
Cash and Cash Equivalents [Member]    
Adjusted Cost 1,733,000 1,096,000
Unrealized Gain/(Loss)
Fair Value 1,733,000 1,096,000
Cash and Cash Equivalents 1,733,000 1,096,000
Current Marketable Securities
Investments
Money Market Funds [Member] | Level 1 [Member]    
Adjusted Cost 3,493,000
Unrealized Gain/(Loss)
Fair Value 3,493,000
Cash and Cash Equivalents 3,493,000
Current Marketable Securities
Investments
Marketable Securities [Member] | Level 1 [Member]    
Adjusted Cost 5,641,000
Unrealized Gain/(Loss) 3,495,000
Fair Value 9,136,000
Cash and Cash Equivalents
Current Marketable Securities 9,136,000
Investments