Note 2 - Investments - Amortized Cost and Fair Value of Debt Securities By Contractual Maturity (Details)	Mar. 31, 2017 USD ($)
One year or less, amortized cost	$ 49,951
One year or less, fair value	49,929
After one year through five years, amortized cost	1,718,157
After one year through five years, fair value	1,714,094
After five years through ten years, amortized cost	1,646,453
After five years through ten years, fair value	1,647,786
More than 10 years, amortized cost	4,943,064
More than 10 years, fair value	5,000,480
Mortgage backed and asset backed securities, amortized cost	3,276,332
Mortgage backed and asset backed securities, fair value	3,276,167
Total fixed maturities, amortized cost	11,633,957
Total fixed maturities, fair value	$ 11,688,456