Represents the amount of monthly installments under a debt agreement.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Balance Type:	credit
Period Type:	instant

- 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.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Note 6 - Debt (Details) - KeyBank National Association - USD ($) $ in Thousands	Nov. 22, 2019	Nov. 02, 2018	Dec. 31, 2019
Revolving Credit Facility
Debt
Debt Instrument, Face Amount			$ 3,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 30,000
Long-term Debt, Total			16,700
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt
Debt Instrument, Basis Spread on Variable Rate		2.35%
Revolving Credit Facility \| Base Rate
Debt
Debt Instrument, Basis Spread on Variable Rate		1.75%
Letter of Credit
Debt
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,000
Term Loan
Debt
Debt Instrument, Face Amount		$ 10,000
Term Loan \| London Interbank Offered Rate (LIBOR)
Debt
Debt Instrument, Basis Spread on Variable Rate		4.75%
Term Loan \| Base Rate
Debt
Debt Instrument, Basis Spread on Variable Rate		3.75%
New Term Loan
Debt
Debt Instrument, Face Amount	$ 10,000
Term of debt	36 months
Debt Instrument, Monthly Installment, Amount	$ 277
Long-term Debt, Total			$ 9,900
New Term Loan \| London Interbank Offered Rate (LIBOR)
Debt
Debt Instrument, Basis Spread on Variable Rate	5.15%
Term Loan Base Rate \| London Interbank Offered Rate (LIBOR)
Debt
Debt Instrument, Basis Spread on Variable Rate		1.00%
Term Loan Base Rate \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt
Debt Instrument, Basis Spread on Variable Rate		0.50%