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

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
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Balance Type:	debit
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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- Definition

Combined line of credit facility and term loan borrowing base percentage of collateral modified from.

+ References

No definition available.

+ Details

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- Definition

Represents information about the Company’s minimum net worth covenant.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under a debt agreement on the amount that could be borrowed with a combination of, but not limited to, a line of credit and term loan.

+ References

No definition available.

+ Details

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- Definition

The number of the required monthly payments including both interest and principal payments for the term loan.

+ References

No definition available.

+ Details

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Note 5 - Line of Credit (Details Textual) $ in Millions					3 Months Ended
Note 5 - Line of Credit (Details Textual) $ in Millions	Dec. 12, 2018 USD ($) shares	Aug. 01, 2018 USD ($) shares	Oct. 24, 2016 USD ($)	Aug. 16, 2016 USD ($)	Mar. 31, 2019 USD ($) shares	Jul. 16, 2018 USD ($)
Treasury Stock, Shares, Acquired \| shares	50,000	100,000			4,112
Amegy [Member] \| Credit Agreement After Fifth Amendment [Member] \| Revolving Credit Facility [Member]
Debt Agreement, Maximum Borrowing Capacity			$ 4.0
Debt Agreement, Borrowing Base Percentage of Collateral Modified From			80.00%
Debt Agreement, Covenant Compliance, Minimum Net Worth			$ 20.0
Amegy [Member] \| Credit Agreement After Fifth Amendment [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.50%
Amegy [Member] \| Credit Agreement After Fifth Amendment [Member] \| Term Loan [Member]
Debt Agreement, Maximum Borrowing Capacity			$ 3.0
Proceeds from Issuance of Long-term Debt, Total				$ 2.7
Debt Instrument, Interest Rate, Stated Percentage				4.50%
Long-term Debt, Number of Monthly Payments, Principal and Interest				47
Amegy [Member] \| Credit Agreement After Fifth Amendment [Member] \| Standby Letters of Credit [Member]
Long-term Line of Credit, Total					$ 0.2
Line of Credit Facility, Remaining Borrowing Capacity					1.3
Amegy [Member] \| Tenth Amendment to Credit Agreement [Member] \| Term Loan [Member]
Debt Agreement, Maximum Borrowing Capacity						$ 1.0
Proceeds from Issuance of Long-term Debt, Total	$ 0.3	$ 0.7
Debt Instrument, Interest Rate, Stated Percentage						5.15%
Long-term Debt, Total					$ 2.5