Consolidated statements of cash flows - USD ($)
$ in Thousands |
3 Months Ended |
12 Months Ended |
Mar. 31, 2019 |
Mar. 31, 2020 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Cash flows from operating activities: |
|
|
|
|
| Net income (loss) |
$ (17,914)
|
$ 17,884
|
$ 15,525
|
$ 33,475
|
| Adjustments to reconcile net income to net cash provided by operating activities: |
|
|
|
|
| Depreciation and amortization |
7,544
|
22,843
|
17,861
|
14,521
|
| Restructuring (income) loss |
22,176
|
(5,982)
|
0
|
0
|
| Stock-based compensation expense |
3,683
|
15,488
|
16,821
|
13,474
|
| Amortization of debt issuance costs and discount on debt |
190
|
747
|
792
|
810
|
| Deferred income taxes |
(3,433)
|
2,443
|
(939)
|
(13,434)
|
| Other, net |
242
|
873
|
476
|
1,728
|
| Changes in operating assets and liabilities: |
|
|
|
|
| Accounts receivable |
4,215
|
2,504
|
7,649
|
(8,001)
|
| Inventories |
2,561
|
(435)
|
16,338
|
6,718
|
| Prepaid expenses and other assets |
(1,732)
|
(6,500)
|
(8,484)
|
(11,200)
|
| Accounts payable and accrued expenses |
(6,021)
|
5,962
|
(10,251)
|
(25,483)
|
| Other liabilities |
(3,295)
|
(11,514)
|
(206)
|
(230)
|
| Net cash provided by operating activities |
8,216
|
44,313
|
55,582
|
12,378
|
| Cash flows from investing activities: |
|
|
|
|
| Acquisition, net of cash acquired |
0
|
(25,923)
|
0
|
0
|
| Purchase of property and equipment |
(3,400)
|
(9,422)
|
(8,872)
|
(7,544)
|
| Investment in equity securities |
0
|
0
|
0
|
(2,875)
|
| Net cash used in investing activities |
(3,400)
|
(35,345)
|
(8,872)
|
(10,419)
|
| Cash flows from financing activities: |
|
|
|
|
| Proceeds from revolving line of credit |
0
|
0
|
2,000
|
25,900
|
| Repayment of revolving line of credit |
0
|
0
|
(2,000)
|
(25,900)
|
| Repayment of long-term debt |
(2,063)
|
(9,488)
|
(8,250)
|
(8,250)
|
| Debt issuance costs paid |
0
|
0
|
0
|
(519)
|
| Repurchase of common stock |
0
|
(7,904)
|
0
|
0
|
| Cash received from issuance of common stock |
115
|
1,488
|
3,176
|
1,978
|
| Other, net |
(199)
|
(771)
|
(490)
|
(404)
|
| Net cash used in financing activities |
(2,147)
|
(16,675)
|
(5,564)
|
(7,195)
|
| Net (decrease) increase in cash and cash equivalents |
2,669
|
(7,707)
|
41,146
|
(5,236)
|
| Cash and cash equivalents - beginning of period |
51,205
|
53,874
|
10,059
|
15,295
|
| Cash and cash equivalents - end of period |
53,874
|
46,167
|
51,205
|
10,059
|
| Supplemental disclosure of cash flow information: |
|
|
|
|
| Cash paid for interest |
1,783
|
6,302
|
7,124
|
8,162
|
| Cash paid for income taxes, net of refunds |
6
|
5,604
|
4,085
|
5,673
|
| Cash paid for interest on finance leases |
50
|
179
|
0
|
0
|
| Supplemental disclosure of noncash investing and financing activities: |
|
|
|
|
| Property and equipment acquired under finance leases |
0
|
0
|
2,098
|
10
|
| Property and equipment purchases included in accounts payable and accrued expenses |
3,080
|
1,132
|
1,838
|
1,143
|
| Vesting of shares related to early exercise of common stock options |
$ 0
|
$ 0
|
$ 0
|
$ 4,074
|