Other Comprehensive Income (Loss) - components (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period			$ 137,147,363
Balance at end of period	$ 101,753,466		101,753,466
Unrealized Net Gains (Losses) on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(34,863)	$ 96,246	(41,196)	$ (79,399)
Unrealized gain (loss)	30,303	(65,901)	36,636	109,744
Net amount reclassified to net loss		1,295		1,295
Other comprehensive income (loss)	30,303	(64,606)	36,636	111,039
Balance at end of period	(4,560)	31,640	(4,560)	31,640
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(34,863)	96,246	(41,196)	(79,399)
Unrealized gain (loss)	30,303	(65,901)	36,636	109,744
Net amount reclassified to net loss		1,295		1,295
Other comprehensive income (loss)	30,303	(64,606)	36,636	111,039
Balance at end of period	$ (4,560)	$ 31,640	$ (4,560)	$ 31,640