| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||
Net income (loss) | ||||||||||
13,259 | -9,183 | -81,391 | -13,724 | -135,458 | -90,859 | -66,919 | -100,862 | -47,455 | -2,773 | -33,688 |
Adjustments to reconcile net income (loss) to net cash used in operating activities: | ||||||||||
Depreciation and amortization | ||||||||||
49,625 | 51,850 | 56,614 | 59,262 | 55,219 | 49,058 | 42,318 | 36,261 | 30,406 | 22,487 | 16,992 |
Impairment of cost method investment | ||||||||||
- | - | - | - | - | - | - | 14,544 | - | - | - |
Asset impairments | ||||||||||
- | - | - | - | - | - | - | - | - | 2,248 | - |
Loss on disposal of assets | ||||||||||
- | - | - | - | - | - | - | - | - | -181 | -423 |
Derivative gain | ||||||||||
- | - | - | - | - | 5,748 | 938 | 3,391 | 2,655 | 10,278 | -17,367 |
Provision for doubtful accounts, notes and inventory | ||||||||||
2,586 | 1,857 | 19,835 | 4,374 | 2,872 | 1,277 | 1,962 | 1,358 | 344 | 264 | -783 |
Stock-based compensation expense | ||||||||||
3,880 | 5,307 | 8,123 | 8,092 | 10,779 | 11,514 | 23,008 | 22,087 | 13,473 | 11,920 | 14,071 |
Change in fair value of derivative instruments | ||||||||||
-5,545 | 9,788 | 46 | 22 | - | - | - | - | - | - | - |
Amortization of discount and debt issuance cost | ||||||||||
-728 | -1,220 | 847 | 1,527 | 2,969 | 4,194 | 1,662 | 551 | 339 | - | - |
Gain on disposal of property and equipment | ||||||||||
2,536 | -2,554 | -3,105 | -2,264 | - | - | - | - | - | - | - |
Non-cash interest charge related to a terminated credit agreement | ||||||||||
- | - | - | - | 54,925 | 0 | 0 | - | - | - | - |
Accretion of notes payable | ||||||||||
- | - | - | - | 57 | 412 | 1,140 | 2,016 | 2,731 | 1,118 | - |
Gain on extinguishment of debt, net | ||||||||||
- | - | 3,195 | 34,348 | 0 | 0 | - | - | - | - | - |
Gain on sale of equity method investment | ||||||||||
- | - | - | - | - | - | 4,705 | - | - | - | - |
Dividend received on equity method investment | ||||||||||
- | - | - | - | - | - | 1,091 | - | - | - | - |
Long-lived intangible impairment | ||||||||||
- | - | - | - | - | 4,772 | 0 | - | - | - | - |
Gain from sale of certain assets of subsidiary | ||||||||||
7,455 | 4,782 | 70,658 | 0 | 937 | 11,998 | 14,115 | - | - | - | - |
Asset impairments and other charges | ||||||||||
- | - | 58,061 | 0 | 0 | - | - | - | - | - | - |
Loss from formation of equity method investment | ||||||||||
- | -1,163 | -6,465 | 0 | 0 | - | - | - | - | - | - |
Loss (income) from equity method investments | ||||||||||
-119 | -2,723 | -131 | -22 | - | - | - | - | - | - | - |
Right-of-use asset amortization | ||||||||||
3,234 | - | - | - | - | - | - | - | - | - | - |
Deferred income taxes | ||||||||||
738 | - | -2,400 | - | - | - | - | - | - | - | - |
Gain on contingent consideration for acquisitions | ||||||||||
- | - | - | - | - | -208 | -1,132 | -4,112 | 2,828 | 1,184 | - |
Changes in operating assets and liabilities, net of assets and liabilities acquired and disposed: | ||||||||||
Accounts and other receivables | ||||||||||
63,408 | 6,360 | -6,881 | -30,171 | -3,426 | 55,573 | 441 | -1,832 | 137 | 32,679 | 2,656 |
Inventory | ||||||||||
-3,439 | 1,065 | -963 | 1,520 | -5,191 | 979 | 637 | 1,879 | 14,782 | 4,882 | -109 |
Margin deposits on futures contracts | ||||||||||
- | - | - | - | - | - | - | -3,000 | -2,981 | 3,706 | 2,118 |
Return (deposits) on LNG trucks | ||||||||||
- | - | - | - | - | - | - | - | - | - | -5,752 |
Prepaid expenses and other assets | ||||||||||
16,617 | -1,547 | -6,753 | -469 | -2,876 | -1,361 | -579 | -4,201 | 14,709 | 851 | 1,298 |
Operating lease liabilities | ||||||||||
-3,786 | - | - | - | - | - | - | - | - | - | - |
Accounts payable | ||||||||||
9,316 | 679 | -8,964 | -660 | -12,005 | 9,126 | -6,962 | -328 | 324 | -503 | 925 |
Deferred revenue | ||||||||||
-3,528 | 30 | 9,268 | -3,479 | -4,134 | - | - | - | - | - | - |
Accrued expenses and other | ||||||||||
18,596 | 2,670 | -14,709 | -6,140 | 2,124 | 7,646 | 19,395 | 4,966 | 4,832 | 7,935 | -1,826 |
Net cash used in operating activities | ||||||||||
12,279 | 37,982 | -4,317 | 46,288 | -12,096 | -76,005 | -4,694 | -19,756 | -27,136 | -10,703 | 13,270 |
Cash flows from investing activities: | ||||||||||
Purchases of short-term investments | ||||||||||
171,080 | 348,091 | 340,194 | 137,023 | 158,840 | 157,629 | 170,935 | 55,062 | 33,329 | - | - |
Maturities and sales of short-term investments | ||||||||||
180,704 | 425,804 | 272,220 | 165,695 | 176,969 | 171,902 | 93,289 | 49,504 | - | - | - |
Purchases of and deposits on property and equipment | ||||||||||
27,088 | 25,263 | 36,307 | 23,640 | 51,415 | 88,628 | 86,730 | 192,894 | 66,687 | 40,828 | 30,499 |
Loans made to customers | ||||||||||
- | - | 894 | 2,816 | 4,279 | 9,140 | 3,950 | 10,521 | 5,591 | 4,555 | - |
Payments on and proceeds from sales of loans receivable | ||||||||||
608 | 518 | 1,102 | 842 | 928 | 6,580 | 4,153 | 8,251 | 2,508 | 3,934 | 3,026 |
Restricted cash | ||||||||||
- | - | - | - | -1,650 | 3,567 | -13,250 | -37,943 | 57,096 | - | - |
Cash received from sale of certain assets of subsidiary, net | ||||||||||
7,582 | 871 | 149,088 | 0 | 1,118 | 39,760 | -1,178 | - | - | - | - |
Cash contributed in formation of equity method investment | ||||||||||
- | - | 2,404 | 0 | 0 | - | - | - | - | - | - |
Investments in other entities | ||||||||||
- | - | 1,928 | 833 | 0 | 6,634 | 0 | 1,437 | 4,712 | 427 | 5,634 |
Capital from equity method investment | ||||||||||
- | - | - | 3,031 | 0 | 0 | - | - | - | - | - |
Proceeds from sale of equity method investment | ||||||||||
- | - | - | - | - | - | 6,119 | - | - | - | - |
Acquisitions, net of cash acquired | ||||||||||
- | - | - | 1,550 | 0 | -467 | 9,000 | -269 | 1,000 | 20,473 | 10,362 |
Proceeds from disposal of property and equipment | ||||||||||
7,772 | 530 | - | 0 | - | - | - | - | - | 282 | 60 |
Net cash provided by investing activities | ||||||||||
-1,502 | 54,369 | 40,683 | 3,706 | -33,869 | -46,889 | -154,982 | -163,947 | -165,907 | -62,067 | -43,409 |
Cash flows from financing activities: | ||||||||||
Proceeds from minority interest DCE equity contribution | ||||||||||
- | - | - | - | - | - | - | - | 417 | - | - |
Proceeds from exercise of warrants | ||||||||||
- | - | - | - | - | - | - | - | 150,000 | 11,537 | - |
Issuances of common stock | ||||||||||
309 | 83,438 | 10,767 | 103,591 | 7,197 | 2,300 | 677 | 8,969 | 1,477 | 42,562 | - |
Fees paid for issuances of common stock and debt issuance costs | ||||||||||
123 | 1,004 | 638 | 2,387 | 883 | 0 | - | - | - | - | - |
Proceeds from debt instruments and finance lease obligations | ||||||||||
15,294 | 17,243 | 9,765 | 7,412 | - | - | - | - | - | - | 7,160 |
Proceeds from issuance of common stock | ||||||||||
- | - | - | - | - | - | - | - | - | - | 73,217 |
Proceeds from the exercise of stock options | ||||||||||
- | - | - | - | - | - | - | - | - | 11,049 | 588 |
Proceeds from debt instruments | ||||||||||
- | - | - | - | 384 | 12,778 | 300,559 | 50,612 | 244,455 | 200 | - |
Proceeds from debt, related party | ||||||||||
- | - | - | - | - | - | 15,000 | - | - | - | - |
Proceeds from revolving line of credit | ||||||||||
- | - | 312 | 73,508 | 31 | 34,607 | 31,527 | 39,164 | 53,595 | 12,665 | - |
Proceeds from exercise of additional membership interest in subsidiary | ||||||||||
- | - | - | - | - | 6,992 | 0 | - | - | - | - |
Repayments of borrowing under revolving line of credit | ||||||||||
- | - | 23,812 | 50,027 | 64 | 40,354 | 37,767 | 34,735 | 49,589 | 14,348 | - |
Repayments of debt instruments and finance lease obligations | ||||||||||
7,795 | 194,886 | 30,707 | 187,824 | 6,258 | 41,036 | 10,147 | 10,040 | 17,079 | 1,050 | 20,023 |
Payments to holders of stock options in subsidiaries | ||||||||||
- | - | 8,850 | 0 | 0 | - | - | - | - | - | - |
Contingent consideration paid relating to business acquisitions | ||||||||||
- | - | - | - | - | 176 | 0 | 350 | 2,394 | - | - |
Payments for debt issuance costs | ||||||||||
- | - | - | - | - | 896 | 9,130 | - | 3,054 | - | - |
Net cash provided by (used in) financing activities | ||||||||||
7,685 | -95,209 | -43,163 | -55,727 | 407 | -25,785 | 290,719 | 53,620 | 377,828 | 62,615 | 60,942 |
Effect of exchange rates on cash, cash equivalents, and restricted cash | ||||||||||
136 | 274 | 890 | 884 | -3,099 | 1,027 | 468 | 480 | -1,854 | -1,738 | - |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||||||
18,598 | -2,584 | -5,907 | -4,849 | -48,657 | -147,652 | 131,511 | -129,603 | 182,931 | -11,893 | 30,803 |
Supplemental disclosure of cash flow information: | ||||||||||
Income taxes paid | ||||||||||
36 | 257 | 344 | 1,012 | 890 | 943 | 2,228 | 1,160 | 783 | 222 | 334 |
Interest paid, net of $80 and $98 capitalized, respectively | ||||||||||
6,788 | 16,751 | 17,048 | 29,774 | 37,662 | 39,224 | 22,110 | 13,994 | 6,744 | 2,251 | 1,078 |