Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Subsequent Events (Details Narrative)

v3.21.2

Subsequent Events (Details Narrative) - USD ($)	Aug. 10, 2021	Jul. 20, 2021
Forecast [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Line of credit facility, revolving credit	$ 3,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Credit facility, description	the quarterly FCCR testing requirement starting for the fourth quarter of 2021 and revises the methodology to be used in calculating the FCCR for the quarters ending December 31, 2021, March 31, 2022, and June 30, 2022 (with no change to the minimum 1.15:1 ratio requirement for each quarter)
Subsequent Event [Member] \| Lender [Member]
Subsequent Event [Line Items]
Debt instrument fees amount	$ 15,000
Subsequent Event [Member] \| 2003 Stock Option Plan [Member]
Subsequent Event [Line Items]
Additional number of shares available		500,000
Subsequent Event [Member] \| 2003 Stock Option Plan [Member] \| Outside Reelected Director [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Number of stock option shares granted		10,000
Subsequent Event [Member] \| 2003 Stock Option Plan [Member] \| New Director [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Number of stock option shares granted		20,000
Subsequent Event [Member] \| 2003 Stock Option Plan [Member] \| Outside Director [Member]
Subsequent Event [Line Items]
Stock options, exercise price		$ 5.93

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ 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 210.5-02.22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- 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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- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ 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
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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