Annual report pursuant to Section 13 and 15(d)

Operating Lease (Details)

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Operating Lease (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating Lease    
Operating Lease, Lease Income $ 30,000  
Cash paid for amounts included in the measurement of lease liabilities $ 21,000  
Operating Lease, Weighted Average Remaining Lease Term 3 years 4 months 24 days  
Operating Lease, Weighted Average Discount Rate, Percent 4.00%  
Long-term right-of-use assets $ 143,000 $ 0
Short-term operating lease liabilities 38,000  
Long-term operating lease liabilities 106,000  
Total operating lease liabilities $ 144,000