Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014
Basic
Net earnings	$ (452,718)	$ 187,643	$ 765,655	$ (118,250)	$ 389,440	$ 487,468	$ 27,659	$ 808,359	$ 382,330	$ 1,712,926
Weighted average common shares									6,799,444	6,799,444
Dilutive
Net earnings	$ (452,718)	$ 187,643	$ 765,655	$ (118,250)	$ 389,440	$ 487,468	$ 27,659	$ 808,359	$ 382,330	$ 1,712,926
Weighted average common shares and common share equivalents									6,799,444	6,799,444