Note 10 - Restricted Funds (Details Textual) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Assets Held-in-trust, Total	$ 625,000	$ 625,000
State of Missouri [Member]
Deposit Assets, Total	300,000
North Dakota Insurance Department [Member] | Dakota Capital Life [Member]
Deposit Assets, Total	200,000
Montana Department of Insurance [Member] | US Alliance Life and Security Company ("USALSC") [Member]
Deposit Assets, Total	325,000
Minimum [Member]
Assets Held-in-trust, Total	$ 400,000