Earnings Per Common Share - Details of Computation of Earnings Per Common Share, Basic and Diluted (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator for basic per share calculation:
Income from continuing operations for basic calculation	$ 1,130,388	$ 704,898	$ 3,091,906	$ 1,628,960
(Loss) from discontinued operations, net of income tax (benefit)	(50,287)	(55,947)	(520,904)	(245,869)
Net income for basic calculation	1,080,101	648,951	2,571,002	1,383,091
Numerator for diluted per share calculation:
Income from continuing operations	1,130,388	704,898	3,091,906	1,628,960
Adjustments to income from continuing operations for the statement of operations impact of dilutive securities		(82,948)
Income from continuing operations for dilution calculation	1,130,388	621,950	3,091,906	1,628,960
(Loss) from discontinued operations, net of income tax (benefit)	(50,287)	(55,947)	(520,904)	(245,869)
Net income for dilution calculation	$ 1,080,101	$ 566,003	$ 2,571,002	$ 1,383,091
Denominator:
Weighted average common shares - basic	11,119,165	10,907,579	11,067,030	10,876,279
Effect of dilutive securities:
RSUs	169,949	238,391	160,817	241,632
Stock options	364,154	299,356	328,486	264,863
Weighted average common shares - diluted	11,653,268	11,445,326	11,556,333	11,382,774
Per common share amounts - basic:
Income from continuing operations	$ 0.10	$ 0.06	$ 0.28	$ 0.15
(Loss) from discontinued operations			$ (0.05)	$ (0.02)
Net income	$ 0.10	$ 0.06	$ 0.23	$ 0.13
Per common share amounts - diluted:
Income from continuing operations	$ 0.10	$ 0.05	$ 0.27	$ 0.14
(Loss) from discontinued operations	$ (0.01)		$ (0.05)	$ (0.02)
Net income	$ 0.09	$ 0.05	$ 0.22	$ 0.12