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Correction of Errors in Previously Reported Fiscal Year 2022 and 2021 Annual Financial Statements - Statement of Equity (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
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Feb. 26, 2023 | Nov. 27, 2022 | Aug. 28, 2022 | Feb. 27, 2022 | Nov. 28, 2021 | Aug. 29, 2021 | Feb. 28, 2021 | Nov. 29, 2020 | Aug. 30, 2020 | Nov. 27, 2022 | Nov. 28, 2021 | Nov. 29, 2020 | Feb. 26, 2023 | Feb. 27, 2022 | Feb. 28, 2021 | May 28, 2023 | May 29, 2022 | May 30, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance (in shares) |  |  | 29,513 |  |  |  |  |  |  | 29,513 |  |  | 29,513 |  |  | 29,513 |  |
Beginning balance | $ 71,143 | $ 77,875 | $ 87,823 | $ 155,424 | $ 193,117 | $ 201,946 | $ 207,997 | $ 218,539 | $ 229,835 | $ 87,823 | $ 201,946 | $ 229,835 | $ 87,823 | $ 201,946 | $ 229,835 | $ 87,823 | $ 201,946 | $ 229,835
Issuance of stock under stock plans, net of shares withheld |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Taxes paid by Company for employee stock plans | (65) | (142) | (67) | (6) | (84) | (428) |  | (215) | (82) |  |  |  |  |  |  | (274) | (789) | (405)
Stock-based compensation | 903 | 1,108 | 785 | 622 | 686 | 620 | 797 | 895 | 892 |  |  |  |  |  |  | 3,612 | 2,608 | 3,360
Net loss | (36,507) | (12,806) | (10,966) | (13,586) | (38,471) | (9,387) | (6,978) | (11,623) | (12,410) | (23,772) | (47,858) | (24,033) | (60,279) | (61,444) | (31,011) | (99,563) | (116,715) | (32,294)
Other comprehensive income, net of tax |  | 286 | 300 | 104 | 176 | 366 | 387 | 401 | 304 | 586 | 542 | 705 | 586 | 646 | 1,092 | $ 586 | $ 772 | 1,450
Ending balance (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,322 | 29,513 |
Ending balance | 35,021 | 71,143 | 77,875 | 142,558 | 155,424 | 193,117 | 202,203 | 207,997 | 218,539 | 71,143 | 155,424 | 207,997 | 35,021 | 142,558 | 202,203 | $ (4,230) | $ 87,823 | 201,946
As Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 74,167 | 80,364 | 90,697 | 156,202 | 193,865 | 202,784 | 208,938 | 221,158 | 231,044 | 90,697 | 202,784 | 231,044 | 90,697 | 202,784 | 231,044 | 90,697 | 202,784 | 231,044
Issuance of stock under stock plans, net of shares withheld |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Taxes paid by Company for employee stock plans | (65) | (142) | (67) | (6) | (84) | (428) |  | (215) | (82) |  |  |  |  |  |  |  | (789) | (405)
Stock-based compensation | 903 | 1,108 | 785 | 622 | 686 | 620 | 797 | 895 | 892 |  |  |  |  |  |  |  | 2,608 | 3,360
Net loss | (40,192) | (12,449) | (11,351) | (13,086) | (38,441) | (9,477) | (5,498) | (13,301) | (11,000) | (23,800) | (47,918) | (24,301) | (63,992) |  | (29,799) |  | (114,679) | (32,665)
Other comprehensive income, net of tax |  | 286 | 300 | 104 | 176 | 366 | 387 | 401 | 304 | 586 | 542 | 705 | 586 |  | 1,092 |  | 772 | 1,450
Ending balance | 34,207 | 74,167 | 80,364 | 143,724 | 156,202 | 193,865 | 204,624 | 208,938 | 221,158 | 74,167 | 156,202 | 208,938 | 34,207 | 143,724 | 204,624 |  | 90,697 | 202,784
Restatement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | (3,024) | (2,489) | (2,874) | (778) | (748) | (838) | (941) | (2,619) | (1,209) | (2,874) | (838) | (1,209) | (2,874) | (838) | (1,209) | $ (2,874) | (838) | (1,209)
Net loss | 3,685 | (357) | 385 | (500) | (30) | 90 | (1,480) | 1,678 | (1,410) | 28 | 60 | 268 | 3,713 |  | (1,212) |  | (2,036) | 371
Other comprehensive income, net of tax |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  | 0 |  | 0 | 0
Ending balance | $ 814 | $ (3,024) | $ (2,489) | $ (1,166) | $ (778) | $ (748) | $ (2,421) | $ (941) | $ (2,619) | $ (3,024) | $ (778) | $ (941) | $ 814 | $ (1,166) | $ (2,421) |  | $ (2,874) | $ (838)
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance (in shares) | 30,297 | 29,593 | 29,513 | 29,481 | 29,462 | 29,333 | 29,323 | 29,242 | 29,224 | 29,513 | 29,333 | 29,224 | 29,513 | 29,333 | 29,224 | 29,513 | 29,333 | 29,224
Beginning balance | $ 30 | $ 30 | $ 30 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29
Issuance of stock under stock plans, net of shares withheld (in shares) | 22 | 76 | 80 | 1 | 19 | 129 |  | 81 | 18 |  |  |  |  |  |  | 181 | 180 | 109
Issuance of stock under stock plans, net of shares withheld |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |
Ending balance (in shares) | 30,319 | 30,297 | 29,593 | 29,482 | 29,481 | 29,462 | 29,323 | 29,323 | 29,242 | 30,297 | 29,481 | 29,323 | 30,319 | 29,482 | 29,323 | 30,322 | 29,513 | 29,333
Ending balance | $ 30 | $ 30 | $ 30 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 30 | $ 29
Common Stock | As Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance (in shares) | 30,297 | 29,593 | 29,513 | 29,481 | 29,462 | 29,333 | 29,323 | 29,242 | 29,224 | 29,513 | 29,333 | 29,224 | 29,513 | 29,333 | 29,224 | 29,513 | 29,333 | 29,224
Beginning balance | $ 30 | $ 30 | $ 30 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29
Issuance of stock under stock plans, net of shares withheld (in shares) | 22 | 76 | 80 | 1 | 19 | 129 |  | 81 | 18 |  |  |  |  |  |  |  | 180 | 109
Issuance of stock under stock plans, net of shares withheld |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |
Ending balance (in shares) | 30,319 | 30,297 | 29,593 | 29,482 | 29,481 | 29,462 | 29,323 | 29,323 | 29,242 | 30,297 | 29,481 | 29,323 | 30,319 | 29,482 | 29,323 |  | 29,513 | 29,333
Ending balance | $ 30 | $ 30 | $ 30 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 | $ 30 | $ 29 | $ 29 |  | $ 30 | $ 29
Additional Paid-in Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 173,858 | 168,070 | 167,352 | 166,327 | 165,725 | 165,533 | 164,068 | 163,388 | 162,578 | 167,352 | 165,533 | 162,578 | 167,352 | 165,533 | 162,578 | 167,352 | 165,533 | 162,578
Taxes paid by Company for employee stock plans | (65) | (142) | (67) | (6) | (84) | (428) |  | (215) | (82) |  |  |  |  |  |  | (274) | (789) | (405)
Stock-based compensation | 903 | 1,108 | 785 | 622 | 686 | 620 | 797 | 895 | 892 |  |  |  |  |  |  | 3,612 | 2,608 | 3,360
Ending balance | 174,243 | 173,858 | 168,070 | 166,943 | 166,327 | 165,725 | 164,865 | 164,068 | 163,388 | 173,858 | 166,327 | 164,068 | 174,243 | 166,943 | 164,865 | 174,276 | 167,352 | 165,533
Additional Paid-in Capital | As Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 174,036 | 168,070 | 167,352 | 166,327 | 165,725 | 165,533 | 164,068 | 163,388 | 162,578 | 167,352 | 165,533 | 162,578 | 167,352 | 165,533 | 162,578 | 167,352 | 165,533 | 162,578
Taxes paid by Company for employee stock plans | (65) | (142) | (67) | (6) | (84) | (428) |  | (215) | (82) |  |  |  |  |  |  |  | (789) | (405)
Stock-based compensation | 903 | 1,108 | 785 | 622 | 686 | 620 | 797 | 895 | 892 |  |  |  |  |  |  |  | 2,608 | 3,360
Ending balance | 174,268 | 174,036 | 168,070 | 166,943 | 166,327 | 165,725 | 164,865 | 164,068 | 163,388 | 174,036 | 166,327 | 164,068 | 174,268 | 166,943 | 164,865 |  | 167,352 | 165,533
Retained Earnings (Accumulated Deficit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | (102,745) | (89,939) | (78,973) | (10,116) | 28,355 | 37,742 | 46,003 | 57,626 | 70,036 | (78,973) | 37,742 | 70,036 | (78,973) | 37,742 | 70,036 | (78,973) | 37,742 | 70,036
Net loss | (36,507) | (12,806) | (10,966) | (13,586) | (38,471) | (9,387) | (6,978) | (11,623) | (12,410) |  |  |  |  |  |  | (99,563) | (116,715) | (32,294)
Ending balance | (139,252) | (102,745) | (89,939) | (23,702) | (10,116) | 28,355 | 39,025 | 46,003 | 57,626 | (102,745) | (10,116) | 46,003 | (139,252) | (23,702) | 39,025 | (178,536) | (78,973) | 37,742
Retained Earnings (Accumulated Deficit) | As Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | (99,899) | (87,450) | (76,099) | (9,338) | 29,103 | 38,580 | 46,944 | 60,245 | 71,245 | (76,099) | 38,580 | 71,245 | (76,099) | 38,580 | 71,245 | (76,099) | 38,580 | 71,245
Net loss | (40,192) | (12,449) | (11,351) | (13,086) | (38,441) | (9,477) | (5,498) | (13,301) | (11,000) |  |  |  |  |  |  |  | (114,679) | (32,665)
Ending balance | (140,091) | (99,899) | (87,450) | (22,424) | (9,338) | 29,103 | 41,446 | 46,944 | 60,245 | (99,899) | (9,338) | 46,944 | (140,091) | (22,424) | 41,446 |  | (76,099) | 38,580
Retained Earnings (Accumulated Deficit) | Restatement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | (2,846) | (2,489) | (2,874) | (666) | (748) | (838) | (941) | (2,619) | (1,209) | (2,874) | (838) | (1,209) | (2,874) | (838) | (1,209) | (2,874) | (838) | (1,209)
Net loss | 3,685 | (357) | 385 | (500) | (30) | 90 | (1,480) | 1,678 | (1,410) |  |  |  |  |  |  |  | (2,036) | 371
Ending balance |  | (2,846) | (2,489) |  | (666) | (748) |  | (941) | (2,619) | (2,846) | (666) | (941) |  |  |  |  | (2,874) | (838)
Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 0 | (286) | (586) | (816) | (992) | (1,358) | (2,103) | (2,504) | (2,808) | (586) | (1,358) | (2,808) | (586) | (1,358) | (2,808) | (586) | (1,358) | (2,808)
Other comprehensive income, net of tax |  | 286 | 300 | 104 | 176 | 366 | 387 | 401 | 304 |  |  |  |  |  |  | 586 | 772 | 1,450
Ending balance | 0 | 0 | (286) | (712) | (816) | (992) | (1,716) | (2,103) | (2,504) | 0 | (816) | (2,103) | 0 | (712) | (1,716) | 0 | (586) | (1,358)
Accumulated Other Comprehensive Loss | As Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 0 | (286) | (586) | (816) | (992) | (1,358) | (2,103) | (2,504) | (2,808) | (586) | (1,358) | (2,808) | (586) | (1,358) | (2,808) | $ (586) | (1,358) | (2,808)
Other comprehensive income, net of tax |  | 286 | 300 | 104 | 176 | 366 | 387 | 401 | 304 |  |  |  |  |  |  |  | 772 | 1,450
Ending balance | $ 0 | $ 0 | $ (286) | $ (712) | $ (816) | $ (992) | $ (1,716) | $ (2,103) | $ (2,504) | $ 0 | $ (816) | $ (2,103) | $ 0 | $ (712) | $ (1,716) |  | $ (586) | $ (1,358)

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