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Long-term Debt
 12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Long-term Debt Long-term Debt
As of December 31, 2023 and December 31, 2022, long-term debt consisted of the following (in thousands):
December 31,
2023		December 31,
2022
Revolving credit facility(1)
$— $— 
2026 Notes(2)
133,037 132,164 
2023 Notes(3)
— 17,303 
Other debt and finance lease obligations3,092 3,430 
Total debt136,129 152,897 
Less: Current portion(627)(17,831)
Total long-term debt$135,502 $135,066 
____________________
(1)Unamortized deferred financing costs of $1.1 million and $1.9 million as of December 31, 2023 and December 31, 2022, respectively, are presented in other noncurrent assets.
(2)The outstanding principal amount of the 2026 Notes was $135.0 million as of December 31, 2023 and December 31, 2022.
(3)The 2023 Notes matured and were repaid in full on February 15, 2023.
Scheduled maturities of total debt as of December 31, 2023, are as follows (in thousands):
2024627 
2025576 
2026133,553 
2027543 
2028578 
Thereafter252 
$136,129 
Revolving Credit Facility
On February 10, 2021, the Company entered into a senior secured credit facility, which provides for a $125.0 million asset-based revolving credit facility (as amended, the “ABL Facility”), under which credit availability is subject to a borrowing base calculation.
The ABL Facility is governed by a credit agreement, as amended, with Wells Fargo Bank, National Association, as administrative agent and the lenders and other financial institutions from time to time party thereto (as amended, the “ABL Agreement”). On February 16, 2024, the Company amended the ABL Facility to extend the maturity date to February 16, 2028 with a springing maturity 91 days prior to the maturity of any outstanding indebtedness with a principal amount in excess of $17.5 million.
The ABL Agreement provides funding based on a borrowing base calculation that includes eligible U.S. customer accounts receivable and inventory and provides for a $50.0 million sub-limit for the issuance of letters of credit. Borrowings under the ABL Agreement are secured by a pledge of substantially all of the Company’s domestic assets (other than real property) and the stock of certain foreign subsidiaries.
Since December 13, 2022, borrowings under the ABL Agreement bear interest at a rate equal to the Secured Overnight Financing Rate (subject to a floor rate of 0%) plus a margin of 2.75% to 3.25%, or at a base rate plus a margin of 1.75% to 2.25%, in each case based on average borrowing availability. Quarterly, the Company must also pay a commitment fee of 0.375% to 0.50% per annum, based on unused commitments under the ABL Agreement.
The ABL Agreement places restrictions on the Company’s ability to incur additional indebtedness, grant liens on assets, pay dividends or make distributions on equity interests, dispose of assets, make investments, repay other indebtedness (including the 2026 Notes discussed below), engage in mergers, and other matters, in each case, subject to certain exceptions. The ABL Agreement contains customary default provisions, which, if triggered, could result in acceleration of repayment of all amounts then outstanding. The ABL Agreement also requires the Company to satisfy and maintain a fixed charge coverage ratio of not less than 1.0 to 1.0 (i) in the event that availability under the ABL Agreement is less than the greater of (a) 15% of the borrowing base and (b) $14.1 million; (ii) to complete certain specified transactions; or (iii) if an event of default has occurred and is continuing.
As of December 31, 2023, the Company had no borrowings outstanding under the ABL Facility and $15.2 million of outstanding letters of credit. The total amount available to be drawn as of December 31, 2023 was $76.1 million, calculated based on the current borrowing base less outstanding borrowings, if any, and letters of credit. As of December 31, 2023, the Company was in compliance with its debt covenants under the ABL Agreement.
2026 Notes
The Company issued $135.0 million aggregate principal amount of its 4.75% convertible senior notes due 2026 (the “2026 Notes”) pursuant to an indenture, dated as of March 19, 2021 (the “2026 Indenture”), between the Company and Computershare Trust Company, National Association, as successor trustee.
The 2026 Notes bear interest at a rate of 4.75% per year and will mature on April 1, 2026, unless earlier repurchased, redeemed or converted. Interest is payable semi-annually in arrears on April 1 and October 1 of each year. Additional interest and special interest may accrue on the 2026 Notes under certain circumstances as described in the 2026 Indenture. The initial
conversion rate is 95.3516 shares of the Company’s common stock per $1,000 principal amount of the 2026 Notes (equivalent to an initial conversion price of $10.49 per share of common stock). The conversion rate, and thus the conversion price, may be adjusted under certain circumstances as described in the 2026 Indenture. The Company’s intent is to repay the principal amount of the 2026 Notes in cash and settle the conversion feature (if any) in shares of the Company’s common stock. As of December 31, 2023, none of the conditions allowing holders of the 2026 Notes to convert, or requiring us to repurchase the 2026 Notes, had been met.
2023 Notes
On January 30, 2018, the Company issued $200.0 million aggregate principal amount of its 1.50% convertible senior notes due 2023 (the "2023 Notes") pursuant to an indenture, dated as of January 30, 2018. The 2023 Notes bore interest at a rate of 1.50% per year, and matured and were repaid in full on February 15, 2023.
The following table provides a summary of the Company's purchases of outstanding 2023 Notes during the years ended December 31, 2023, 2022 and 2021, with non-cash gains reported within other income, net (in thousands):
Principal AmountCarrying Value of LiabilityCash PaidNon-cash Gains Recognized
Year Ended December 31,
2023$17,315 $17,315 $17,315 $— 
20228,654 8,626 8,450 176 
2021131,400 129,974 125,952 4,022 
Promissory Note
In connection with the 2018 acquisition of GEODynamics, Inc., the Company issued a $25.0 million promissory note (the "GEO Note") that bore interest at 2.50% per annum and was scheduled to mature on July 12, 2019. Prior to settlement on July 1, 2022, the carrying amount of the GEO Note was $17.5 million, which was the Company’s then-current best estimate of what was owed after set-off for certain indemnification matters. On July 1, 2022, the Company paid $10.0 million in cash and issued approximately 1.9 million shares of its common stock (having a market value of $10.3 million) to extinguish the GEO Note along with accrued interest of $2.2 million.