| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-15,708 | 5,279 | 38,734 | 27,044 | 7,682 | -6,648 | |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization | ||||||
38,580 | 26,429 | 21,698 | 13,186 | 11,416 | 7,441 | |
Realized loss on sale of assets and asset impairments | ||||||
-18,117 | -4,581 | -334 | -2 | - | - | |
Restructuring charges, net | ||||||
3,927 | - | - | - | - | - | |
Share-based compensation expense | ||||||
5,681 | 7,795 | 7,124 | 9,902 | - | - | |
Loss on disposal of property and equipment | ||||||
- | - | - | - | -187 | -128 | |
Amortization of debt issuance costs | ||||||
206 | 336 | 573 | 4,681 | 4,319 | 715 | |
Loss on extinguishment of debt | ||||||
- | -3,397 | - | -4,487 | - | -2,946 | |
Loss on investment in joint venture | ||||||
- | - | - | - | - | -6 | |
Amortization of discount on customer advances | ||||||
- | - | - | - | - | 218 | |
Deferred income taxes | ||||||
4,951 | -14,912 | 1,650 | -6,123 | -765 | -1,018 | |
Changes in assets and liabilities: | ||||||
Accounts receivable | ||||||
19,366 | 59,200 | 54,227 | -5,564 | 29,652 | 31,677 | |
Contract assets and liabilities | ||||||
57,583 | 7,898 | 4,423 | 17,227 | - | - | |
Operating lease right of use assets and operating lease liabilities | ||||||
-6,953 | - | - | - | - | - | |
Inventories | ||||||
1,145 | 1,685 | -964 | 1,179 | 626 | 60,320 | |
Prepaid expenses | ||||||
1,052 | -1,318 | 1,724 | - | - | - | |
Other current assets | ||||||
13,692 | 132 | -4,874 | - | - | - | |
Prepaid expenses and other current assets | ||||||
- | - | - | -681 | 10,978 | 9,225 | |
Other noncurrent assets | ||||||
7,177 | 5,167 | -2,816 | 3,690 | -4,204 | -2,021 | |
Accounts payable and accrued expenses | ||||||
80,720 | 32,263 | 51,474 | 17,424 | 34,423 | 26,050 | |
Accrued warranty | ||||||
10,874 | 6,346 | 9,330 | 6,709 | 7,680 | 2,180 | |
Customer deposits | ||||||
- | - | - | - | -3,193 | 1,047 | |
Deferred revenue | ||||||
- | - | - | - | 6,044 | 38,322 | |
Other noncurrent liabilities | ||||||
2,798 | -2,008 | -4,597 | -1,619 | 552 | -5,403 | |
Net cash provided by (used in) operating activities | ||||||
57,084 | -3,258 | 74,600 | 59,842 | 31,293 | -33,217 | |
Purchases of property, plant and equipment | ||||||
74,408 | 52,688 | 44,828 | 30,507 | 26,361 | 18,924 | |
Acquisition of a business | ||||||
1,102 | - | - | - | - | - | |
Proceeds from sale of assets | ||||||
- | - | 850 | - | 146 | - | |
Net cash used in investing activities | ||||||
-75,510 | -52,688 | -43,978 | -30,507 | -26,215 | -18,924 | |
Proceeds from issuance of common stock sold in initial public offering, net of underwriters discount and offering costs | ||||||
- | - | - | 67,199 | - | - | |
Proceeds from issuance of preferred stock | ||||||
- | - | - | - | - | 6,846 | |
Proceeds from revolving loans | ||||||
22,000 | 89,435 | - | - | 20,000 | 23,901 | |
Repayments of revolving and term loans | ||||||
- | 74,972 | 3,750 | -930 | -625 | - | |
Net proceeds (repayments) of accounts receivable financing | ||||||
-10,719 | 424 | -1,020 | -5,385 | -2,472 | 34,450 | |
Proceeds from working capital loans | ||||||
3,535 | - | 9,936 | 15,813 | 11,690 | 19,120 | |
Repayments of working capital loans | ||||||
3,535 | - | 14,574 | 20,103 | 24,262 | 13,121 | |
Principal repayments of finance leases | ||||||
9,128 | - | - | - | - | - | |
Net proceeds (repayments) of other debt | ||||||
-4,286 | -23,763 | 1,313 | -4,765 | -2,777 | -2,130 | |
Proceeds from subordinated debt arrangements | ||||||
- | - | - | - | - | 15,000 | |
Proceeds from customer advances | ||||||
- | - | - | 2,000 | - | 4,500 | |
Repayments of customer advances | ||||||
- | - | - | 2,000 | - | - | |
Debt issuance costs | ||||||
- | 281 | 454 | - | 1,113 | 4,818 | |
Proceeds from exercise of stock options | ||||||
5,223 | 4,284 | 1,430 | - | - | - | |
Payment on acquisition of noncontrolling interest | ||||||
- | - | - | - | 1,875 | 1,625 | |
Repurchase of common stock including shares withheld in lieu of income taxes | ||||||
2,120 | 2,859 | 1,264 | - | - | - | |
Restricted cash | ||||||
- | - | - | - | -989 | 1,898 | |
Net cash provided by financing activities | ||||||
970 | -7,732 | -8,383 | 51,829 | -2,423 | 84,021 | |
Impact of foreign exchange rates on cash, cash equivalents and restricted cash | ||||||
-171 | 617 | 335 | -1,515 | -330 | -43 | |
Net change in cash, cash equivalents and restricted cash | ||||||
-17,627 | -63,061 | 22,574 | 79,649 | 2,325 | 31,837 | |
Supplemental disclosures of cash flow information: | ||||||
Cash paid for interest | ||||||
8,190 | 9,904 | 11,803 | 11,126 | 9,439 | 6,343 | |
Cash paid for income taxes, net | ||||||
18,640 | 7,246 | 17,263 | 8,506 | 3,087 | 547 | |
Supplemental disclosures of noncash investing and financing activities: | ||||||
Conversion of subordinated convertible promissory notes into common stock | ||||||
- | - | - | 11,877 | - | - | |
Accrued capital expenditures in accounts payable | ||||||
14,644 | 5,139 | 5,725 | 2,664 | 1,860 | 1,980 | |
Equipment acquired through capital lease and financing obligations | ||||||
- | - | - | 10,011 | 5,004 | 7,381 | |
Customer advances applied to accounts receivable | ||||||
- | - | - | - | 1,171 | 2,753 | |
Debt refinance and related fees | ||||||
- | - | - | 2,163 | - | 36,099 | |