Segment Information - Summary of Reporting Information by Segment (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014	Dec. 27, 2014
Revenues from external customers
Total revenues	$ 8,694,744	$ 8,473,549	$ 24,525,043	$ 21,589,852
Income from operations
Total income (loss) from operations	733,833	510,183	1,590,095	473,165
Identifiable assets by segment
Total Identifiable assets	16,454,248	15,655,318	16,454,248	15,655,318	$ 14,859,376
Operating Segments [Member] \| Factory-built Housing [Member]
Revenues from external customers
Total revenues	8,603,772	8,387,621	24,269,161	21,278,948
Income from operations
Total income (loss) from operations	760,441	585,394	1,663,102	678,464
Identifiable assets by segment
Total Identifiable assets	11,877,354	11,277,122	11,877,354	11,277,122
Operating Segments [Member] \| Financial Services [Member]
Revenues from external customers
Total revenues	90,972	85,928	255,882	310,904
Income from operations
Total income (loss) from operations	39,110	60,398	142,622	209,196
Identifiable assets by segment
Total Identifiable assets	4,434,069	4,219,383	4,434,069	4,219,383
Corporate, Non-Segment [Member]
Income from operations
Total income (loss) from operations	(65,718)	(135,609)	(215,629)	(414,495)
Identifiable assets by segment
Total Identifiable assets	$ 142,825	$ 158,813	$ 142,825	$ 158,813