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Debt | 12 Months Ended
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Dec. 31, 2018
Debt |
Debt | 7. Debt On June 30, 2015, the Company entered into an amendment to its Credit Agreement with its lender, Veritex Bank for the purpose of renewing, extending and increasing the Company’s line of credit under such agreement. The Credit Agreement was renewed on June 30, 2018. Credit Agreement The Credit Agreement provides for a revolving loan feature, or Line of Credit, that permits the Company to borrow, repay and re-borrow, from time to time until June 30, 2019, up to the lesser of (i) $20.0 million or (ii) a sum equal to (a) 80% of the Company’s eligible accounts receivable (less the outstanding principal balance of term loans and letters of credit under the Credit Agreement) and (b) the lesser of (i) 50% of the value of certain of the Company’s core equipment or (ii) $12,500,000. The Company has not utilized the Line of Credit since its inception. Because the Company’s ability to borrow funds under the Line of Credit is tied to the amount of the Company’s eligible accounts receivable and value of certain of its core equipment, if the Company’s accounts receivable decrease materially for any reason, including delays, reductions or cancellations by clients, or decreased demand for the Company’s services, or the value of the Company’s pledged core equipment decreases materially, the Company’s borrowing ability to fund operations or other obligations may be reduced. The Credit Agreement also provides for a term loan feature. Any notes outstanding under this feature would count toward the maximum amounts the Company may borrow under the Credit Agreement. The Company does not currently have any notes payable under the term loan feature of the Credit Agreement. The Company has one outstanding note payable under the Credit Agreement that is not under the term loan feature (and therefore does not count towards the maximum amounts that the Company may borrow) which was incurred on September 13, 2018 to purchase (and is secured by) equipment and has a remaining aggregate principal amount of $5,975,000 as of December 31, 2018. The note payable will mature upon the earlier of (i) the acceleration of the indebtedness pursuant to the terms of the Company’s existing credit facility with Veritex Bank or (ii) September 13, 2021. The Company’s obligations under the Line of Credit are secured by a security interest in the Company’s accounts receivable and certain of the Company’s core equipment, and the term loans are also secured by certain of the Company’s core equipment. Interest on amounts outstanding under the Credit Agreement accrues at the lesser of 4.5% or the prime rate (as quoted in the Wall Street Journal), subject to an interest rate floor of 2.5%. The Credit Agreement contains customary covenants for credit facilities of this type, including limitations on disposition of assets, mergers and other fundamental changes. The Company is also obligated to meet certain financial covenants, including (i) a ratio of (x) total liabilities minus subordinated debt to (y) tangible net worth plus subordinated debt not to exceed 1.00:1.00, (ii) a ratio of current assets to current liabilities of at least 1.50:1.00 and (iii) required tangible net worth of not less than $100,000,000. The Company was in compliance with all covenants under the Credit Agreement, including specified ratios, as of December 31, 2018. Veritex Bank has also issued three letters of credit as of December 31, 2018. The first letter of credit is in the amount of $1,767,000 to support payment of certain insurance obligations of the Company. The principal amount of this letter of credit is collateralized by certain of the Company’s core equipment. The second letter of credit is in the amount of $583,000 to support the company’s workers compensation insurance and is secured by a certificate of deposit. The third letter of credit is unsecured and in the amount of $75,000 to support certain performance obligations of the Company. None of the letters of credit counts as funds borrowed under the Company’s Line of Credit. Other Indebtedness As of December 31, 2018, the Company has two notes payable to a finance company for various insurance premiums totaling $1,680,000. In addition, the Company leases certain seismic recording equipment and vehicles under leases classified as capital leases. The Company’s Consolidated Balance Sheets as of December 31, 2018 and 2017 include capital lease obligations of $5,125,000 and $7,865,000, respectively. Maturities of Debt The Company’s aggregate principal amount (in thousands) of outstanding notes payable and the interest rates and monthly payments as of December 31, 2018 and 2017 are as follows:
|  |  | Year Ended December 31,
|  |  | 2018 |  | 2017
Notes payable to commercial banks |  |  |  |  |  |  |
Aggregate principal amount outstanding |  |  | $ | 5,975 |  | $ | —
Interest rate |  |  |  | 5.0% |  |  | —
|  | Year Ended December 31,
|  | 2018 |  | 2017
Notes payable to finance company for insurance |  |  |  |  |  |
Aggregate principal amount outstanding |  | $ | 1,680 |  | $ | —
Interest rate |  |  | 3.8 % |  |  | —
The Company’s aggregate maturities of obligations under capital leases (in thousands) at December 31, 2018 are as follows:
January 2019 - December 2019 |  |  |  |  | $ | 2,830
January 2020 - December 2020 |  |  |  |  |  | 2,276
January 2021 - December 2021 |  |  |  |  |  | 19
Obligations under capital leases |  |  |  |  | $ | 5,125
Interest rates on these leases ranged from 4.65% to 4.93%.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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