Note 3 - Fair Value Measurements - Estimated Fair Values of the Company's Financial Assets and Liabilities (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Reported Value Measurement [Member]
Cash and cash equivalents	$ 2,177,660	$ 3,145,745
Investments, at fair value	17,155,562	15,463,578
Total Financial Assets	19,333,222	18,609,323
Policyholder deposits in deposit-type contracts	3,856,221	3,398,170
Total Financial Liabilities	3,856,221	3,398,170
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	2,177,660	3,145,745
Investments, at fair value	17,155,562	15,463,578
Total Financial Assets	19,333,222	18,609,323
Policyholder deposits in deposit-type contracts	3,795,307	3,260,086
Total Financial Liabilities	$ 3,795,307	$ 3,260,086