OPERATING SEGMENTS - Schedule of Financial Information of Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Segment net sales	$ 7,335	$ 7,684
Depreciation and amortization expense	190	180
Interest expense, net	263	237
Operating Segments
Segment Reporting Information [Line Items]
Segment net sales	7,335	7,684
Depreciation and amortization expense	190	180
Interest expense, net	201	224
Segment net (loss) income	(410)	(565)
Total segment assets	9,514	10,658	$ 10,937
Expenditures for segment assets	60	17
Operating Segments | Modular Home Manufacturing
Segment Reporting Information [Line Items]
Segment net sales	2,378	4,849
Depreciation and amortization expense	135	132
Interest expense, net	76	90
Segment net (loss) income	(797)	(284)
Total segment assets	5,166	7,095
Expenditures for segment assets	0	12
Operating Segments | Structural Wall Panel Manufacturing
Segment Reporting Information [Line Items]
Segment net sales	4,957	2,835
Depreciation and amortization expense	55	48
Interest expense, net	125	134
Segment net (loss) income	387	(281)
Total segment assets	4,348	3,563
Expenditures for segment assets	$ 60	$ 5