REVENUE RECOGNITION - Summary of Changes in Customer Deposits (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2019 USD ($)
Change In Contract With Customer, Liability [Roll Forward]
Beginning balance	$ (166)
Revenue recognized that was included in deposit at beginning of period	166
Increase due to cash received, excluding amounts recognized as revenue during the period	(232)
Ending balance	(232)
Modular Home Manufacturing
Change In Contract With Customer, Liability [Roll Forward]
Beginning balance	(133)
Revenue recognized that was included in deposit at beginning of period	133
Increase due to cash received, excluding amounts recognized as revenue during the period	(205)
Ending balance	(205)
Structural Wall Panel Manufacturing
Change In Contract With Customer, Liability [Roll Forward]
Beginning balance	(33)
Revenue recognized that was included in deposit at beginning of period	33
Increase due to cash received, excluding amounts recognized as revenue during the period	(27)
Ending balance	$ (27)