CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Paid-in Capital | Accumulated Other Comprehensive (Loss) Income, net of tax | Retained Earnings |
Beginning balance (in shares) at Dec. 29, 2019 | | 17,851 | 4,928 | | | |
Beginning balance at Dec. 29, 2019 | $ 360,520 | $ 18 | $ (202,313) | $ 213,922 | $ (4,373) | $ 353,266 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (39) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 217 | | $ 1,605 | (1,388) | | |
Acquisition of treasury stock (in shares) | | | 72 | | | |
Treasury Stock, Value, Acquired, Cost Method | (1,635) | | $ (1,635) | | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 712 | | | 712 | | |
Net loss | (174,298) | | | | | (174,298) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (1,147) | | | | (1,147) | |
Ending balance (in shares) at Apr. 19, 2020 | | 17,851 | 4,961 | | | |
Ending balance at Apr. 19, 2020 | 184,369 | $ 18 | $ (202,343) | 213,246 | (5,520) | 178,968 |
Beginning balance (in shares) at Dec. 29, 2019 | | 17,851 | 4,928 | | | |
Beginning balance at Dec. 29, 2019 | 360,520 | $ 18 | $ (202,313) | 213,922 | (4,373) | 353,266 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net loss | (236,738) | | | | | |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (1,121) | | | | | |
Ending balance (in shares) at Oct. 04, 2020 | | 20,449 | 4,901 | | | |
Ending balance at Oct. 04, 2020 | 153,194 | $ 20 | $ (199,908) | 242,048 | (5,494) | 116,528 |
Beginning balance (in shares) at Apr. 19, 2020 | | 17,851 | 4,961 | | | |
Beginning balance at Apr. 19, 2020 | 184,369 | $ 18 | $ (202,343) | 213,246 | (5,520) | 178,968 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Issuance of common stock, $0.001 par value, net of stock issuance costs | | 2,598 | | | | |
Issuance of common stock, $0.001 par value, net of stock issuance costs | 28,725 | $ 2 | | 28,723 | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (59) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 170 | | $ 2,398 | (2,228) | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 1,071 | | | 1,071 | | |
Net loss | (56,261) | | | | | (56,261) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 17 | | | | 17 | |
Ending balance (in shares) at Jul. 12, 2020 | | 20,449 | 4,902 | | | |
Ending balance at Jul. 12, 2020 | 158,091 | $ 20 | $ (199,945) | 240,812 | (5,503) | 122,707 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Issuance of common stock, $0.001 par value, net of stock issuance costs | (7) | | | (7) | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (1) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | (36) | | $ 37 | (73) | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 1,316 | | | 1,316 | | |
Net loss | (6,179) | | | | | (6,179) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 9 | | | | 9 | |
Ending balance (in shares) at Oct. 04, 2020 | | 20,449 | 4,901 | | | |
Ending balance at Oct. 04, 2020 | $ 153,194 | $ 20 | $ (199,908) | 242,048 | (5,494) | 116,528 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.001 | | | | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.001 | | | | | |
Beginning balance (in shares) at Dec. 27, 2020 | | 20,449 | 4,901 | | | |
Beginning balance at Dec. 27, 2020 | $ 120,713 | $ 20 | $ (199,908) | 243,407 | (4) | 77,198 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (74) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | (615) | | $ 3,025 | (3,640) | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 880 | | | 880 | | |
Net loss | (8,713) | | | | | (8,713) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 21 | | | | 21 | |
Ending balance (in shares) at Apr. 18, 2021 | | 20,449 | 4,827 | | | |
Ending balance at Apr. 18, 2021 | 112,286 | $ 20 | $ (196,883) | 240,647 | 17 | 68,485 |
Beginning balance (in shares) at Dec. 27, 2020 | | 20,449 | 4,901 | | | |
Beginning balance at Dec. 27, 2020 | 120,713 | $ 20 | $ (199,908) | 243,407 | (4) | 77,198 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net loss | (28,689) | | | | | |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 14 | | | | | |
Ending balance (in shares) at Oct. 03, 2021 | | 20,449 | 4,727 | | | |
Ending balance at Oct. 03, 2021 | 96,165 | $ 20 | $ (192,819) | 240,445 | 10 | 48,509 |
Beginning balance (in shares) at Apr. 18, 2021 | | 20,449 | 4,827 | | | |
Beginning balance at Apr. 18, 2021 | 112,286 | $ 20 | $ (196,883) | 240,647 | 17 | 68,485 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (95) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 297 | | $ 3,844 | (3,547) | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 1,577 | | | 1,577 | | |
Net loss | (4,996) | | | | | (4,996) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (1) | | | | (1) | |
Ending balance (in shares) at Jul. 11, 2021 | | 20,449 | 4,732 | | | |
Ending balance at Jul. 11, 2021 | 109,163 | $ 20 | $ (193,039) | 238,677 | 16 | 63,489 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (5) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | (60) | | $ 220 | (280) | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 2,048 | | | 2,048 | | |
Net loss | (14,980) | | | | | (14,980) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (6) | | | | (6) | |
Ending balance (in shares) at Oct. 03, 2021 | | 20,449 | 4,727 | | | |
Ending balance at Oct. 03, 2021 | $ 96,165 | $ 20 | $ (192,819) | $ 240,445 | $ 10 | $ 48,509 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.001 | | | | | |