Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jan. 01, 2019
Finance leases – collateralized by vehicles, payable in monthly installments of principal, plus interest ranging from 4.80% to 6.45% through 2025	$ 6,459	$ 6,585
Total debt	45,459	47,585
Less - Current portion of long-term debt	(6,536)	(4,425)
Less - Unamortized discount and debt issuance costs	(2,410)	(4,292)
Long-term debt	$ 36,513	38,868
Minimum
Finance lease, interest rate	4.80%
Maximum
Finance lease, interest rate	6.45%
2019 Revolving Credit Facility
Long-term debt	$ 0	0
2019 Refinancing Term Loan – term loan payable in quarterly installments of principal, (commencing in September 2020) plus interest through April 2022
Long-term debt		41,000
2019 Refinancing Term Loan embedded derivative
Long-term debt	$ 0	$ 0

Long-term Debt, Gross and Lease Obligation

No definition available.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Discount rate used by lessee to determine present value of finance lease payments.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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