Note 4 - Investments (Details) - Net Investment Income (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Investment Income [Line Items]
Gross investment income	$ 5,552,218	$ 5,375,428	$ 11,096,019	$ 10,871,008
Investment expenses	282,510	261,060	565,020	522,121
Net investment income	5,269,708	5,114,368	10,530,999	10,348,887
Fixed Maturities [Member]
Net Investment Income [Line Items]
Gross investment income	4,798,389	4,850,660	9,605,911	9,716,457
Equity Securities [Member]
Net Investment Income [Line Items]
Gross investment income	35,836	14,497	49,731	27,384
Mortgage Loans on Real Estate [Member]
Net Investment Income [Line Items]
Gross investment income	274,334	315,105	552,398	671,182
Policy Loans [Member]
Net Investment Income [Line Items]
Gross investment income	117,978	121,159	236,090	244,493
State-Guaranteed Receivables [Member]
Net Investment Income [Line Items]
Gross investment income	143,622	113,889	289,876	227,996
Derivative [Member]
Net Investment Income [Line Items]
Gross investment income	121,500	(57,000)	243,000	(72,900)
Other Long-term Investments [Member]
Net Investment Income [Line Items]
Gross investment income	$ 60,559	$ 17,118	$ 119,013	$ 56,396