| Schedule of Long-term Credit Facilities [Table Text Block] |
The Company's long-term credit facilities consist of: | | | | | | | | | | | | May 5, 2018 | | February 3, 2018 | PNC Credit Facility | | | | | PNC revolving loan due March 21, 2022, principal amount | | $ | 57,100,000 |
| | $ | 59,900,000 |
| | | | | | PNC term loan due March 21, 2022, principal amount | | 13,567,000 |
| | 14,148,000 |
| Less unamortized debt issuance costs | | (137,000 | ) | | (149,000 | ) | PNC term loan due March 21, 2022, carrying amount | | 13,430,000 |
| | 13,999,000 |
| | | | | | Total long-term credit facilities | | 70,530,000 |
| | 73,899,000 |
| Less current portion of long-term credit facilities | | (2,326,000 | ) | | (2,326,000 | ) | Long-term credit facilities, excluding current portion | | $ | 68,204,000 |
| | $ | 71,573,000 |
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| Schedule of Maturities of Long-term Debt [Table Text Block] |
The aggregate maturities of the Company's long-term credit facilities as of May 5, 2018 are as follows: | | | | | | | | | | | | | | | | PNC Credit Facility | | | Fiscal year | | Term loan | | Revolving loan | | Total | 2018 | | $ | 1,745,000 |
| | $ | — |
| | $ | 1,745,000 |
| 2019 | | 2,132,000 |
| | — |
| | 2,132,000 |
| 2020 | | 2,326,000 |
| | — |
| | 2,326,000 |
| 2021 | | 2,326,000 |
| | — |
| | 2,326,000 |
| 2022 | | 5,038,000 |
| | 57,100,000 |
| | 62,138,000 |
| | | $ | 13,567,000 |
| | $ | 57,100,000 |
| | $ | 70,667,000 |
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