Represents the maximum outstanding balance allowed under the debt agreement.

No definition available.

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- Definition

Represents percentage of equipment of Company's affiliates used to secure debt instrument.

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No definition available.

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Represents maximum decrease in percentage points added to an initial annual rate based on the Company's fixed charge coverage ratio for each of the most recently ended four quarters.

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No definition available.

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Represents the increase added to an initial annual rate based on the fixed charge coverage ratio at the end of the following two quarters.

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Maximum amount of debt that can be prepaid in any year.

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No definition available.

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Represents number of monthly installments for a debt instrument.

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No definition available.

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Represents percentage of the appraised value of collateral pledged for loans.

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No definition available.

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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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.

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No definition available.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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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.

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-Paragraph 19, 20, 22
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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

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

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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

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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 either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Note 9 - Line of Credit and Long-term Debt (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	May. 29, 2015
Nations [Member] \| Asset-based Facility [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 20,000,000
Proceeds from Secured Lines of Credit	$ 14,600,000
Long-term Line of Credit	0
Line of Credit Facility, Remaining Borrowing Capacity	11,600,000
Nations [Member] \| Asset-based Facility [Member] \| Other Noncurrent Assets [Member]
Debt Issuance Cost	1,300,000
Nations [Member] \| Asset-based Facility [Member]
Debt Instrument, Face Amount			40,000,000
Long-term Debt	18,000,000		20,000,000
Debt Agreement, Maximum Borrowing Capacity			$ 40,000,000
Debt Instrument, Percentage of Appraised Value of Collateral			65.00%
Line of Credit Facility, Current Borrowing Capacity	$ 29,600,000
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Decrease in Basis Spread on Variable Rate	2.00%
Debt Instrument, Increase in Basis Spread on Variable Rate	2.00%
Debt Instrument, Number of Monthly Installments	47
Debt Instrument, Maximum Annual Prepayment Amount	$ 5,000,000
Debt Instrument, Collateral as Percentage of Equipment	50.00%
Proceeds from Issuance of Long-term Debt	$ 20,000,000
Interest Expense, Debt	$ 2,900,000	$ 1,000,000
Debt Instrument, Interest Rate, Effective Percentage	12.17%
Credit Facility [Member] \| Revolving Credit Facility [Member]
Long-term Line of Credit		34,600,000
Line of Credit Facility, Remaining Borrowing Capacity		2,400,000
Credit Facility [Member]
Gains (Losses) on Extinguishment of Debt		200,000
Notes Payable for Transportation and Construction Equipment [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.12%
Debt Instrument, Term	3 years
Notes Payable for Transportation and Construction Equipment [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.29%
Debt Instrument, Term	5 years
Notes Payable for Transportation and Construction Equipment [Member]
Notes Payable, Noncurrent	$ 3,300,000	3,300,000
Letter of Credit [Member]
Letters of Credit Outstanding, Amount		3,000,000
Myers and Sons Construction [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage	50.00%
Current Maturities of Long-term Debt [Member]
Capital Lease Obligations, Current	$ 500,000
Long-term Debt	$ 21,299,000	$ 37,986,000
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage	50.00%
Proceeds from Issuance of Long-term Debt	$ 20,000,000
Proceeds from Secured Lines of Credit	14,550,000
Gains (Losses) on Extinguishment of Debt	(240,000)
Notes Payable, Noncurrent	$ 2,200,000