Leases (Details) - Supplemental information regarding leases - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Balance Sheet:
ROU assets	$ 1,065,000	$ 1,162,000
Current lease liabilities – operating	419,000	397,000
Non-current lease liabilities - operating	696,000	805,000
Total lease liabilities	$ 1,115,000
Weighted average remaining lease term (years)	2 years 6 months
Weighted average discount rate	7.90%
Future minimum lease payments:
Remainder of 2022	$ 367,000
2023	438,000
2024	146,000
2025	146,000
2026	152,000
Thereafter	13,000
Total	1,262,000
Less: Imputed interest	147,000
Total lease liabilities	1,115,000
Less: Current lease liabilities	419,000	397,000
Long-term lease liabilities	$ 696,000	$ 805,000