Note 10 - Right-of-use Asset and Leasing Liabilities - Future Minimum Lease Obligations (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating ROU Leases, 2020	$ 339
Finance ROU Leases, 2020	57
2020	396
Operating ROU Leases, 2021	350
Finance ROU Leases, 2021	44
2021	394
Operating ROU Leases, 2022	360
Finance ROU Leases, 2022	11
2022	371
Operating ROU Leases, 2023	372
Finance ROU Leases, 2023
2023	372
Operating ROU Leases, 2024	383
Finance ROU Leases, 2024
2024	383
Operating ROU Leases, Thereafter	256
Finance ROU Leases, Thereafter
Thereafter	256
Operating ROU Leases Undiscounted Obligation	2,060
Finance ROU Leases Undiscounted Obligation	112
	2,172
Operating ROU Leases, Less Interest*	(293)	[1]
Finance ROU Leases, Less Interest*	(5)	[1]
Less Interest*		[1]
Operating ROU Leases	1,767
Finance ROU Leases	107

[1] Interest is imputed for operating ROU leases and classified as lease expense and is included in operating expenses in the accompanying condensed consolidated statement of operations.