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Long-term Debt and Line of Credit
6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]  
Long-term Debt and Line of Credit
Long-term Debt and Line of Credit

The Company has a credit agreement (the "Credit Agreement") with Wells Fargo Bank, National Association, as administrative agent, and Wells Fargo Securities, LLC.

The Credit Agreement, as amended from time to time, provides for borrowings under a revolving line of credit and swingline loans, an accordian, and a term loan (together, the “Credit Facility”). The Credit Facility is guaranteed by the subsidiaries of the Company, secured by the assets of the Company, including stock held in its subsidiaries, and may be used to finance working capital, repay indebtedness, fund acquisitions, and for other general corporate purposes. Interest is computed based on the designation of the loans, and bear interest at either a prime-based interest rate or a LIBOR-based interest rate.  Principal balances drawn under the Credit Facility may be prepaid at any time, in whole or in part, without premium or penalty.  Amounts repaid under the revolving line of credit may be re-borrowed. In April 2013, the the maturity of its Credit Facility was extended from June 30, 2013 to June 30, 2014.

Provisions of the revolving line of credit and accordian
The Company has a maximum borrowing availability under the revolving line of credit and swingline loans (as defined in the Credit Agreement) of $35 million, with a $20 million sublimit for the issuance of letters of credit. An additional $25 million is available subject to the Lender's discretion. 

Revolving loans may be designated as prime rate based loans (“ABR Loans”) or Eurodollar Loans, at the Company’s request, and may be made in an integral multiple of $500,000, in the case of an ABR Loan, or $1 million in the case of a Eurodollar Loan.   Swingline loans may only be designated as ABR Loans, and may be made in amounts equal to integral multiples of $100,000.  The Company may convert, change or modify such designations from time to time.  

Borrowings are subject to a borrowing base, which is calculated as the sum of 80% of eligible accounts receivable, plus 90% of adjusted cash balances, as defined in the Credit Agreement. At June 30, 2013, our borrowing base reflected no limitation in borrowing availability.

At June 30, 2013, no amounts were outstanding under the revolver. Outstanding letters of credit, which totaled $742,000 at June 30, 2013, reduced our maximum borrowing availability to approximately $34.3 million.

Provisions of the term loan
At June 30, 2013, the term loan component of the Credit Facility totaled $9.3 million and is secured by specific dredge assets of the Company. Principal payments on the term loan, in the amount of $389,000, are due quarterly.

Financial covenants
Restrictive financial covenants under the Credit Facility include:
A Tangible Net Worth covenant, with the minimum Tangible Net Worth requirement of a base amount of $180 million as of June 30, 2012, plus 50% of accumulated consolidated quarterly net income (if positive), plus 75% of all issuances of equity interests by Borrower during that quarter;
A Profitability Covenant such that the Company shall not sustain a consolidated net loss for two consecutive fiscal quarters, commencing with the quarter ending September 30, 2012.

In addition, the Credit Facility contains events of default that are usual and customary for similar transactions, including non-payment of principal, interest or fees; inaccuracy of representations and warranties; violation of covenants; bankruptcy and insolvency events; and events constituting a change of control.

The Company is subject to a commitment fee, at a current rate of 0.25% of the unused portion of the maximum available to borrow under the Credit Facility. The commitment fee is payable quarterly in arrears.  

Interest at June 30, 2013, was based on the Eurodollar-option interest rate of 2.75%. For the year ended December 31, 2012, the weighted average interest rate was 2.40%.

At June 30, 2013, the Company was in compliance with its financial covenants and expects to be in compliance in 2013.

The Company expects to meet its future internal liquidity and working capital needs, and maintain its equipment fleet through capital expenditure purchases and major repairs, from funds generated by ts operating activities for at least the next 12 months.  The Company believes that its cash position is adequate for general business requirements and to service its debt.