Note 13 - Leases - Future Minimum Lease Payment (Details)	Sep. 30, 2019 USD ($)
Remaining three months of 2019	$ 181,000
2020	797,000
2021	776,000
2022	670,000
2023	676,000
Thereafter	135,000
Total future minimum lease payments	3,235,000
Less imputed interest	(273,000)
Total lease liabilities	$ 2,962,000