Computation of Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Basic and diluted earning/loss per share [Abstract]
Net income/(loss)	$ 1,255,000	$ (8,247,000)	$ 3,362,500	$ (11,797,800)
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)	5,212	0	8,924	0
Weighted average diluted shares used in calculation of diluted earnings/(loss) per share	1,548,469	1,543,257	1,552,181	1,543,257
Basic earnings/(loss) per share (in dollars per share)	$ 0.81	$ (5.34)	$ 2.18	$ (7.64)
Diluted earnings/(loss) per share (in dollars per share)	$ 0.81	$ (5.34)	$ 2.17	$ (7.64)
Potentially outstanding shares was not included in the calculation of diluted loss per share (in shares)		28,927		36,497