Earning Per Share-Diluted (detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Diluted
Earnings (Loss) Attributable to Common Stock	$ (110)	$ 1,298
Dividends Convertible Preferred Stock Cash	5	5
Net Income (Loss) Available to Common Stockholders, Diluted	$ (105)	$ 1,303
Weighted Average Number of Shares Outstanding, Basic	10,801	10,753
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	5	5
Incremental Common Shares Attributable to Conversion of Preferred Stock	67	67
Weighted Average Number of Shares Outstanding, Diluted	10,873	10,825
Diluted Earnings (Loss) per Common Share	$ (0.01)	$ 0.12