Computation of Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic and diluted earning/loss per share [Abstract]
Net income/(loss)	$ 1,355,300	$ (3,920,400)	$ 2,107,500	$ (3,550,800)
Weighted average shares outstanding for the period (in shares)	1,543,257	1,543,257	1,543,257	1,543,257
Dilutive effect of warrants (in shares)	11,751	0	10,647	0
Weighted average diluted shares used in calculation of diluted earnings/(loss) per share	1,555,008	1,543,257	1,553,904	1,543,257
Basic earnings/(loss) per share (in dollars per share)	$ 0.88	$ (2.54)	$ 1.37	$ (2.30)
Diluted earnings/(loss) per share (in dollars per share)	$ 0.87	$ (2.54)	$ 1.36	$ (2.30)
Potentially outstanding shares was not included in the calculation of diluted loss per share (in shares)	39,393		39,589