Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Cash paid for:
Interest	$ 12	$ 51
Income taxes, net of refunds	21	$ (722)
Non-cash activity:
Note receivable paid directly to officer	105
Note payable to officer	(105)
Imputed interest expense	65
Imputed interest income	$ (65)