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Revolving Line of Credit - Ratios (Details) - Revolving Credit Facility	6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 28, 2021 USD ($)	Apr. 06, 2021 USD ($)	Feb. 11, 2020 USD ($)
Revolving Credit Facility
Interest coverage ratio	3
Current ratio	1
Leverage ratio	3.0
Commitment fee assessed quarterly on the daily average unused commitments	0.50%
Current borrowing base	$ 14,000,000	$ 14,000,000	$ 18,000,000	$ 23,000,000
Weighted average interest rate (as a percent)	3.50%
LIBOR
Revolving Credit Facility
Margin added to variable interest rate	3.25%

X

- Definition

The ratio measures the ability of a company to cover its short-term liabilities with its current assets should be maintained.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of commitment fees for the unused borrowing capacity under the long-term financing arrangement that is available to the entity.

+ References

No definition available.

+ Details

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X

- Definition

The ratio should be maintained to repay outstanding debt from its earnings after adjusted for interest, taxes and non-cash amounts.

+ References

No definition available.

+ Details

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X

- Definition

The ratio should maintain among debt and equity which will assesses the ability of the company to meet its financial obligations after adjusted for interest, taxes and non-cash amounts.

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

No definition available.

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X

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1F
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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X

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Period Type:	instant

X

- 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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- Details

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- Details

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