Leases (Details) - Supplemental information regarding leases - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Balance Sheet:
ROU assets	$ 1,062,000	$ 1,141,000
Current lease liabilities – operating	279,000	284,000
Non-current lease liabilities - operating	820,000	893,000
Total lease liabilities	$ 1,099,000
Weighted average remaining lease term (years)	3 years 146 days
Weighted average discount rate	9.00%
Future minimum lease payments:
Remainder of 2020	$ 274,000
2021	370,000
2022	348,000
2023	295,000
Thereafter
Total	1,287,000
Less: Imputed interest	188,000
Total lease liabilities	1,099,000
Less: Current lease liabilities	279,000	284,000
Long-term lease liabilities	$ 820,000	$ 893,000