| Schedule of Other Balance Sheet information |
|
|
|
|
|
|
|
(in thousands) |
|
March 31, |
December 31, |
|
|
2025 |
2024 |
Other Receivables |
|
|
|
|
|
|
Insurance and Third-Party Receivables for Remediation Expenses |
|
$ |
5,722 |
|
$ |
5,149 |
Reimbursable Research and Development Receivable |
|
|
1,569 |
|
|
207 |
Property Insurance Receivable |
|
|
2,337 |
|
|
2,337 |
Financing Receivable |
|
|
2,467 |
|
|
3,242 |
Reimbursable Projects |
|
|
1,778 |
|
|
2,894 |
Total Other Receivables |
|
$ |
13,873 |
|
$ |
13,829 |
|
|
|
|
|
|
|
Other Current Assets |
|
|
|
|
|
|
Prepaid Insurance |
|
$ |
5,011 |
|
$ |
7,257 |
Income Tax Receivable |
|
|
2,205 |
|
|
— |
Prepaids and Deposits |
|
|
3,279 |
|
|
3,161 |
Total Other Current Assets |
|
$ |
10,495 |
|
$ |
10,418 |
|
|
|
|
|
|
|
Accrued and Other Current Liabilities |
|
|
|
|
|
|
Accrued Operating Expense |
|
$ |
27,320 |
|
$ |
28,897 |
Accrued Capital Costs |
|
|
8,575 |
|
|
4,023 |
Accrued Interest |
|
|
626 |
|
|
8,067 |
Accrued Compensation |
|
|
5,118 |
|
|
12,651 |
Accrued General and Administrative Expense |
|
|
2,881 |
|
|
2,244 |
Sales Tax Payable |
|
|
2,208 |
|
|
12,721 |
Operating Lease Liabilities |
|
|
1,530 |
|
|
1,568 |
Finance Lease Liabilities |
|
|
743 |
|
|
571 |
Contingent Consideration Liability |
|
|
1,961 |
|
|
1,024 |
Advance Billings for Reimbursable Research and Development Expense |
|
|
813 |
|
|
431 |
Tax-Related Partnership Distribution Payable |
|
|
1,340 |
|
|
1,340 |
Other |
|
|
2,390 |
|
|
3,802 |
Total Accrued and Other Current Liabilities |
|
$ |
55,505 |
|
$ |
77,339 |
|
|
|
|
|
|
|
Other Long-Term Liabilities |
|
|
|
|
|
|
Noncurrent Operating Lease Liabilities |
|
$ |
13,751 |
|
$ |
14,040 |
Noncurrent Finance Lease Liabilities |
|
|
2,139 |
|
|
1,747 |
Contingent Consideration Liability |
|
|
1,292 |
|
|
1,548 |
Total Other Long-Term Liabilities |
|
$ |
17,182 |
|
$ |
17,335 |
|
| Schedule of Other Statement of Operations information |
|
|
|
|
|
|
|
(in thousands) |
|
Three Months Ended |
|
|
March 31, |
|
|
2025 |
|
2024 |
Depreciation, Amortization and Accretion Expense |
|
|
|
|
|
|
Depreciation of Property, Plant and Equipment |
|
$ |
10,370 |
|
$ |
9,839 |
Amortization of Intangible Assets |
|
|
8,804 |
|
|
9,263 |
Accretion of Asset Retirement Obligations |
|
|
367 |
|
|
319 |
Amortization of Finance Right-of-Use Assets |
|
|
215 |
|
|
— |
Total Depreciation, Amortization and Accretion Expense |
|
$ |
19,756 |
|
$ |
19,421 |
|
|
|
|
|
|
|
Other Operating Expense, Net |
|
|
|
|
|
|
Loss (Gain) on Disposal of Assets, Net |
|
$ |
91 |
|
$ |
(54) |
Transaction Costs |
|
|
884 |
|
|
7 |
Abandoned Projects |
|
|
237 |
|
|
729 |
Other |
|
|
(100) |
|
|
(102) |
Other Operating Expense, Net |
|
$ |
1,112 |
|
$ |
580 |
|
|
|
|
|
|
|
Interest Expense |
|
|
|
|
|
|
Interest on Debt Instruments |
|
$ |
8,787 |
|
$ |
8,301 |
Amortization of Debt Issuance Costs |
|
|
635 |
|
|
766 |
Interest on Finance Lease Obligations |
|
|
48 |
|
|
— |
Total Interest Expense |
|
|
9,470 |
|
|
9,067 |
Less: Capitalized Interest |
|
|
(240) |
|
|
(629) |
Total Interest Expense, Net |
|
$ |
9,230 |
|
$ |
8,438 |
|