Stock Options and Stock Repurchase Plan - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Aug. 25, 2006	Feb. 28, 2018	Feb. 28, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation arrangement expiration date		Aug. 25, 2016
Granted		200,000	0
Total unrecognized compensation costs related to stock options and shares of restricted stock granted		$ 25
Unrecognized compensation cost is expected to be recognized over a period		1 year
Weighted average remaining contractual life		8 years
Authorized stock repurchase		2,632,500
Additional authorized stock repurchase			1,500,000
Repurchase of treasury stock (in shares)		3,600	0
Remaining repurchase of shares authorized		499,044
Average price of repurchase shares		$ 1.24
General and Administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation		$ 68	$ 4
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved for Purchase	500,000
Stock option granted ownership percentage	10.00%
Stock option granted price percentage	110.00%
Life of option granted	7 years
Vesting period	9 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved for Purchase	100,000