Accumulated Other Comprehensive Income (Loss) (Details 1) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax effect	$ (349,060)	$ (546,295)
Total reclassification, net of tax	1,612,230	$ 1,226,088
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of investments, net	4,348
Tax effect	(913)
Total reclassification, net of tax	$ 3,435