Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Investments available for sale:
Original or amortized cost	$ 173,593,690	$ 188,647,671
Equity securities, cost	44,247,930	43,954,737
Trading securities, cost	70,690	0
Liabilities:
Trading Securities, Proceeds	$ 181,160	$ 108,881
Shareholders' equity:
Common stock, stated value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	7,000,000	7,000,000
Common stock, outstanding (in shares)	3,670,514	3,699,447