Significant Accounting Policies - Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 28, 2020 |
Mar. 30, 2019 |
Mar. 31, 2018 |
|
| Numerator: | |||
| Net (loss) income | $ (12,779) | $ (18,686) | $ 14,095 |
| Net loss from continuing operations | $ (12,227) | $ (18,305) | $ (21,995) |
| Denominator: | |||
| Weighted-average common shares outstanding | 17,968 | 17,961 | 17,961 |
| (Loss) income per common share | $ (0.71) | $ (1.04) | $ 0.78 |
| Loss per common share | $ (0.68) | $ (1.02) | $ (1.22) |
| Numerator: | |||
| Net (loss) income | $ (12,779) | $ (18,686) | $ 14,095 |
| Net loss | $ (12,227) | $ (18,305) | $ (21,995) |
| Denominator: | |||
| Weighted-average common shares outstanding | 17,968 | 17,961 | 17,961 |
| Dilutive effect of stock options and warrants | 0 | 0 | 432 |
| Weighted-average common shares outstanding - diluted | 17,968 | 17,961 | 18,393 |
| Diluted (loss) income per common share | $ (0.71) | $ (1.04) | $ 0.77 |
| Diluted loss per common share | $ (0.68) | $ (1.02) | $ (1.20) |