Computation of Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Basic and diluted earning/loss per share [Abstract]
Net income	$ 529,700	$ 1,255,000	$ 1,262,000	$ 3,362,500
Weighted average shares outstanding for the period (in shares)	1,566,699	1,543,257	1,566,699	1,543,257
Dilutive effect of warrants (in shares)	0	5,212	0	8,924
Weighted average diluted shares used in calculation of diluted earnings per share (in shares)	1,566,699	1,548,469	1,566,699	1,552,181
Basic earnings per share (in dollars per share)	$ 0.34	$ 0.81	$ 0.81	$ 2.18
Diluted earnings per share (in dollars per share)	$ 0.34	$ 0.81	$ 0.81	$ 2.17
Potentially outstanding shares was not included in the calculation of diluted loss per share (in shares)			0