Benefit Plans and Stock-Based Compensation - Additional Information (Detail) - USD ($)
|
|
|
|
|
9 Months Ended |
12 Months Ended |
|
Oct. 07, 2019 |
Jun. 20, 2019 |
Sep. 14, 2018 |
Nov. 15, 2016 |
Sep. 07, 2017 |
Mar. 28, 2020 |
Mar. 30, 2019 |
Mar. 31, 2018 |
Mar. 25, 2017 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Options outstanding |
|
|
|
|
|
704,818
|
741,060
|
813,666
|
874,162
|
| Common Stock Voting Shares [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Total compensation cost for recognized expenses |
|
|
|
|
|
$ 26,000
|
$ 10,000
|
$ 50,000
|
|
| Common Stock Voting Shares [Member] | Maximum [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Shares reserved for issuance |
|
|
|
|
|
1,796,088
|
|
|
|
| Amended Birks Employee Stock Option Plan [Member] | Common Stock Voting Shares [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Exercise price |
|
|
|
|
|
$ 1.05
|
|
|
|
| Options granted |
|
|
|
|
|
2,818
|
3,060
|
5,666
|
|
| Stock Compensation Plan [Member] | Common Stock Voting Shares [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Employee stock option description |
|
|
|
|
|
Birks ESOP
|
|
|
|
| Restricted Stock Units (RSUs) [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Number of shares outstanding |
|
|
|
|
|
0
|
102,000
|
112,000
|
121,500
|
| Deferred Stock Units Dsu [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Units granted |
|
|
|
|
|
244,844
|
133,588
|
74,466
|
|
| Number of shares outstanding |
|
|
|
|
|
465,134
|
257,005
|
130,410
|
55,944
|
| Omnibus LTIP [Member] | Common Stock Voting Shares [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Options outstanding |
|
|
|
|
|
142,000
|
|
|
|
| Exercise price |
|
|
|
|
|
$ 1.43
|
|
|
|
| Expiration period |
|
|
|
|
|
10 years
|
|
|
|
| Weighted Average Grant Date Fair Value |
|
|
|
|
|
$ 1.34
|
|
|
|
| Dividend yield |
|
|
|
|
|
0.00%
|
|
|
|
| Expected volatility |
|
|
|
|
|
114.63%
|
|
|
|
| Weighted average expected term |
|
|
|
|
|
10 years
|
|
|
|
| Total compensation cost for recognized expenses |
|
|
|
|
|
$ 21,000
|
$ 68,000
|
$ 179,000
|
|
| Shares reserved for issuance |
|
|
|
|
|
1,000,000
|
|
|
|
| Omnibus LTIP [Member] | Restricted Stock Units (RSUs) [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Units granted |
|
|
|
121,500
|
|
|
|
|
|
| Number of shares outstanding |
|
|
|
|
|
|
102,000
|
|
|
| Omnibus LTIP [Member] | Deferred Stock Units Dsu [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Units granted |
157,890
|
86,954
|
133,588
|
55,944
|
74,466
|
|
|
|
|
| Outstanding shares |
|
|
|
|
|
465,134
|
257,005
|
|
|
| Share based compensation by share based payment arrangement number of units excercised other than options |
|
|
|
|
|
36,715
|
|
|
|
| Omnibus LTIP [Member] | Restricted Stock Units And Deferred Stock Units [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Compensation expense |
|
|
|
|
|
$ 48,000
|
$ 146,000
|
$ 81,000
|
|
| Share based compensation recognized liability |
|
|
|
|
|
$ 123,000
|
$ 272,000
|
|
|
| Mayors Stock Option Plan [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Options outstanding |
|
|
|
|
|
0
|
0
|
41
|
627
|
| Compensation expense |
|
|
|
|
|
$ 0
|
$ 0
|
$ 0
|
|
| Options settled in cash |
|
|
|
|
|
41
|
41
|
586
|
|
| Options settled in cash per share |
|
|
|
|
|
$ 0.78
|
|
|
|
| Long Term Incentive Plan [Member] | Common Stock Voting Shares [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Long term incentive plan stock appreciation rights, weighted average exercise price |
|
|
|
|
|
$ 1.11
|
|
|
|
| Options outstanding |
|
|
|
|
|
560,000
|
|
|
|
| Long Term Incentive Plan [Member] | Stock Appreciation Rights (SARs) [Member] | Common Stock Voting Shares [Member] |
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
| Stock options exercisable |
|
|
|
|
|
96,000
|
|
|
|
| Share based compensation options unrecognised |
|
|
|
|
|
$ 0
|
|
|
|
| Percentage of Outstanding Stock Options Fully Vested |
|
|
|
|
|
100.00%
|
|
|
|
| Share based compensation grants in period gross |
|
|
|
|
|
0
|
0
|
0
|
|