Note 1 - Description of Business and Significant Accounting Policies - Deferred Annuity Deposit-Type Contracts (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Balance at beginning of period	$ 72,082,207
Receipts on deposit-type contracts	3,987,535	$ 6,805,322
Interest credited	1,606,340	1,099,483
Withdrawals on deposit-type contracts	(1,937,457)	(2,212,746)
Balance at end of period	75,567,873	72,082,207
Deferred Annuity Deposit-type Contracts [Member]
Balance at beginning of period	71,843,283	19,063,141
Receipts on deposit-type contracts	5,345,302	53,877,845
Interest credited	1,601,155	1,090,820
Withdrawals on deposit-type contracts	(3,379,401)	(2,188,523)
Balance at end of period	75,410,339	71,843,283
Deferred Annuity Deposit-type Contracts [Member] | ALSC [Member] | Dakota Capital Life Insurance Company [Member]
Recaptured by American Life & Security Corp	0	(6,799,716)
Acquired from American Life & Security Corp	$ 0	$ 6,799,716