Leases (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 136,000	$ 128,000	$ 271,000	$ 257,000
Financing lease costs, right-of-use asset amortization	1,000	1,000	2,000	2,000
Financing lease costs, interest expense	1	45	10	100
Cash paid operating lease	137,000	127,000	274,000	254,000
Cash paid financing lease	$ 400	$ 1,000	$ 1,600	$ 2,000
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee Lease Term Of Contract			2 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee Lease Term Of Contract			5 years