Summary of Significant Accounting Policies - Income per common share (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Accounting Policies [Abstract]
Net (loss) income	$ 2,272	$ 88,659	$ 194,051	$ 16,131	$ (74,340)	$ (39,580)	$ 763	$ (63,217)	$ 301,113	$ (176,374)	$ 329,993
Weighted average common shares outstanding - basic									2,036,950	2,036,959	2,028,014
Effect of the assumed exercise of dilutive stock options									5,234		8,227
Weighted average common shares outstanding - dilutive									2,042,184	2,036,959	2,036,241
(Loss) income per common share: Basic	$ 0.00	$ 0.04	$ 0.1	$ 0.01	$ (0.04)	$ (0.02)	$ 0	$ (0.03)	$ 0.15	$ (0.09)	$ 0.16
(Loss) income per common share: Diluted	$ 0.00	$ 0.04	$ 0.1	$ 0.01	$ (0.04)	$ (0.02)	$ 0	$ (0.03)	$ 0.15	$ (0.09)	$ 0.16