Represents the amount of the fee in connection with the Amendment and Waiver of a previous credit agreement.

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Minimum fixed charge coverage ratio required under the line of credit facility covenant.

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No definition available.

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Minimum liquidity amount required under the line of credit facility covenant.

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Trailing twelve month fixed charge coverage ratio required under the line of credit facility covenant.

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Under the terms of a revolving credit facility, a company will be allowed to borrow an amount not to exceed a certain percentage of the appraised value of trucks and equipment.

+ References

No definition available.

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- Definition

Represents the line of credit facility limitation on borrowings percentage of eligible receivables.

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No definition available.

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- Definition

Represents the percentage of eligible receivables the company can borrow on the line of credit.

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No definition available.

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- Definition

Represents the percentage of the appraised value of trucks and equipment the company can borrow on the line of credit.

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No definition available.

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The maximum amount to pay for purchases of fixed assets under the agreement.

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No definition available.

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- Definition

Represents the amount of unamortized debt issuance costs expensed during the period upon the repayment of debt.

+ References

No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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-Section 45
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- 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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- 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.

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- Definition

The fair value of line of credit assumed in noncash investing or financing activities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The effective interest rate at the end of the reporting period.

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- 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.

+ References

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- Definition

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

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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The carrying value as of the balance sheet date of the current portion 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.

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Note 7 - Debt (Details Textual)					1 Months Ended	9 Months Ended	12 Months Ended
Note 7 - Debt (Details Textual)	Oct. 26, 2018 USD ($)	Nov. 20, 2017 USD ($)	Aug. 10, 2017 USD ($)	Sep. 17, 2015	Sep. 30, 2014 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Line of Credit, Current							$ 33,882,000	$ 27,066,000
Line of Credit Assumed							141,000	1,124,000
Unamortized Debt Issuance Costs Expensed Upon Repayment of Debt								327,000
Interest Expense [Member]
Amortization of Debt Issuance Costs							105,000	121,000
Other Assets [Member]
Unamortized Debt Issuance Expense							208,000	232,000
The 2017 Credit Agreement [Member] \| East West Bank [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Term			3 years
Line of Credit Facility, Maximum Borrowing Capacity			$ 30,000,000
Line of Credit Facility, Maximum Borrowing Capacity, Percent of Eligible Receivables			85.00%
Line of Credit Facility, Maximum Borrowing Capacity, Percentage of Trucks and Equipment			85.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.50%
Line of Credit, Current							$ 33,900,000	27,100,000
Line of Credit Facility, Interest Rate at Period End							6.06%
Line of Credit Facility, Remaining Borrowing Capacity							$ 3,000,000	2,100,000
Line of Credit Facility, Covenant Compliance, Minimum Fixed Charge Coverage Ratio			1.1
Line of Credit Facility, Covenant Compliance, Trailing Twelve Month Fixed Charge Coverage Ratio			1.2
Line of Credit Facility, Covenant Compliance, Minimum Liquidity			$ 1,500,000
Line of Credit Assumed			$ 21,800,000
Amendment Fee		$ 20,000
Maximum Capital Expenditures							2,500,000
Unamortized Debt Issuance Expense							208,000
The 2017 Credit Agreement [Member] \| East West Bank [Member] \| Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			3.50%
Line of Credit, Current							33,000,000	24,500,000
The 2017 Credit Agreement [Member] \| East West Bank [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			1.75%
Line of Credit, Current							$ 883,000	$ 2,600,000
Line of Credit Facility, Interest Rate at Period End							7.25%	6.25%
The 2017 Credit Agreement Period 1 [Member] \| East West Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Interest Rate at Period End								5.06%
The 2017 Credit Agreement Period 2 [Member] \| East West Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Interest Rate at Period End								4.88%
Second Amendment to LSA [Member] \| East West Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 37,000,000
Proceeds from Long-term Lines of Credit	6,200,000
Maximum Capital Expenditures	$ 3,000,000				$ 2,500,000
The 2014 Credit Agreement [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage						0.375%
The 2014 Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate				4.50%		4.50%
The 2014 Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Domestic Rate Loans [Member]
Debt Instrument, Basis Spread on Variable Rate				4.50%
The 2014 Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate				5.50%		5.50%
The 2014 Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| Domestic Rate Loans [Member]
Debt Instrument, Basis Spread on Variable Rate				5.50%
The 2014 Credit Agreement [Member] \| Base Rate [Member] \| Minimum [Member] \| Domestic Rate Loans [Member]
Debt Instrument, Basis Spread on Variable Rate						3.00%
The 2014 Credit Agreement [Member] \| Base Rate [Member] \| Maximum [Member] \| Domestic Rate Loans [Member]
Debt Instrument, Basis Spread on Variable Rate						4.00%
The 2014 Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Term					5 years
Line of Credit Facility, Maximum Borrowing Capacity					$ 30,000,000	$ 30,000,000
Line of Credit Facility Limitation on Borrowings Percentage of Eligible Receivables					85.00%	85.00%
Line of Credit Facility Limitation on Borrowings Percentage of Appraised Value of Trucks and Equipment					75.00%	75.00%
Two Thousand Twelve Credit Agreement [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 16,000,000	$ 16,000,000