PERFORMANCE SHARES, STOCK OPTIONS, OTHER FORMS OF COMPENSATION, AND COMMON SHARE REPURCHASES (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
Oct. 02, 2016 | Jul. 03, 2016 | Apr. 03, 2016 | Sep. 27, 2015 | Oct. 02, 2016 | Sep. 27, 2015 | Jan. 03, 2016 |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Number of Shares Available for Grant | 103,800 | | | | 103,800 | | |
Allocated Share-based Compensation Expense | $ 172,000 | | | $ (24,000) | $ 254,000 | $ 298,000 | |
Board of Directors' Compensation [Abstract] | | | | | | | |
Board of Director Cash Compensation | 30,000 | | | 35,000 | 65,000 | 188,000 | |
Total Boardof Directors Compensation | $ 70,000 | | | $ (29,000) | $ 179,000 | 285,000 | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Outstanding options (in shares) | 636,000 | 684,000 | 507,000 | | 636,000 | | 507,000 |
Outstanding Weighted Average Price | $ 10 | $ 10.65 | $ 13.945 | | $ 10 | | $ 16.66 |
Options granted | 46,000 | 206,000 | 53,000 | | | | |
Granted Weighted Average Exercise Price | $ 5.82 | $ 5.6 | $ 17.658 | | | | |
Options Forfeited | 78,000 | 3,000 | 53,000 | | | | |
Average Price of Shares Forfeited | $ 12.17 | $ 28.53 | $ 32.024 | | $ 12.17 | | $ 32.024 |
Exercise of stock options (in shares) | 6,000 | | | | | | |
Exercised Weighted Average Exercise Price | $ 5.9 | | | $ 0 | | | |
Options canceled or expired (in shares) | 10,000 | 26,000 | | | | | |
Canceled or Expired Weighted Average Exercise Price | $ 31.05 | $ 32.05 | | | | | |
Options Outstanding Weighted Average Remaining Contractual Term | 6 years 3 months 18 days | 5 years 10 months 24 days | 5 years 2 months 5 days | | | | 5 years 3 months 18 days |
Options Exercisable | 242,000 | | | | 242,000 | | |
Exercisable Weighted Average Exercise Price | $ 11.4 | | | | $ 11.4 | | |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value | | | | | $ 2.16 | | $ 4.9 |
Fair Value Assumptions Expected Term | | | | | 5 years 8 months 12 days | | 3 years 3 months 18 days |
Expected stock volatility | | | | | 41.30% | | 51.20% |
Risk-free interest rate | | | | | 1.30% | | 1.90% |
Performance Shares and Performance Stock Units [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | | | | $ (24,000) | | 12,000 | |
Stock Option [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | $ 157,000 | | | (15,000) | $ 209,000 | 241,000 | |
Value Sharebased Compensation Forfeited | | | | | (126,000) | | |
Restricted Stock And Restricted Stock Units [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | 15,000 | | | 15,000 | 45,000 | $ 45,000 | |
Director [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options Forfeited | | | | | | 20,000 | |
Director1 [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options Forfeited | | | | | | 20,000 | |
Director Program [Member] | Stock Option [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | | | | (79,000) | 69,000 | $ 52,000 | |
Director Program [Member] | Restricted Stock And Restricted Stock Units [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | | | | $ 15,000 | $ 45,000 | $ 45,000 | |
Two Thousand Five Stock Option Plan [Member] | Stock Option [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | 25,000 | | | | | | |
Two Thousand Five Stock Option Plan [Member] | Restricted Stock And Restricted Stock Units [Member] | | | | | | | |
Share-based Compensation Arrangement By Share-based Payment Award [Line Items] | | | | | | | |
Allocated Share-based Compensation Expense | $ 15,000 | | | | | | |
Two Thousand Five Stock Option Plan [Member] | CEO Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | | 75,000 | |
Options Forfeited | | | | | 75,000 | 20,000 | |
Options canceled or expired (in shares) | | | | | 25,000 | | |
Two Thousand Five Stock Option Plan [Member] | CFO Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options Forfeited | | | | | 78,000 | | |
Two Thousand Five Stock Option Plan [Member] | Director2 [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | 20,000 | 20,000 | |
Two Thousand Five Stock Option Plan [Member] | Director3 [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | 20,000 | 20,000 | |
Two Thousand Fifteen Stock Option Plan [Member] | CEO1 Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | 50,000 | | |
Two Thousand Fifteen Stock Option Plan [Member] | CFO Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | 6,000 | | |
Two Thousand Fifteen Stock Option Plan [Member] | CFO1 Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | 70,000 | | |
Two Thousand Fifteen Stock Option Plan [Member] | COO Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | | 71,324 | |
Two Thousand Fifteen Stock Option Plan [Member] | CMO Employment [Member] | | | | | | | |
Options Outstanding Rollforward [Abstract] | | | | | | | |
Options granted | | | | | 35,000 | | |