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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 23,440 | $ 38,133 | $ 2,075
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 80,607 | 72,899 | 66,796
Amortization of operating lease right-of-use assets | 66,842 |  |
Provision for bad debts | 0 | 0 | 46,555
Equity in earnings of joint ventures, net of dividends | 248 | 13,469 | (4,864)
Amortization and write off of deferred financing costs and loan discount | 4,184 | 3,898 | 3,483
Loss (gain) on sale and disposal of equipment and other | 2,383 | (2,054) | 1,142
Gain on sale of imaging centers | 0 | 0 | (3,146)
Gain on re-measurement of pre-existing interest | (768) | (39,539) | 0
Loss on impairment | 0 | 3,937 | 0
Stock-based compensation | 8,730 | 7,662 | 6,787
Other non cash item in other expenses | (559) | 0 | 0
Non cash severance | 188 | 0 | 1,047
Change in value of contingent consideration | (3,123) | 1,749 | 0
Changes in operating assets and liabilities, net of assets acquired and liabilities assumed in purchase transactions: |  |  |
Accounts receivable | (17,482) | 2,145 | (37,164)
Other current assets | (3,557) | (9,248) | 1,461
Other assets | (2,326) | (1,687) | (801)
Deferred taxes | (3,888) | (6,935) | 19,504
Operating lease liability | (66,831) |  |
Deferred rent | 0 | 6,312 | 2,135
Deferred revenue | (1,082) | (208) | 1,034
Accounts payable, accrued expenses and other | 17,316 | 26,221 | 36,181
Net cash provided by operating activities | 104,322 | 116,754 | 142,225
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Purchase of imaging facilities | (27,150) | (73,192) | (27,612)
Investment at cost | (143) | (2,200) | (500)
Purchase of property and equipment | (74,153) | (72,180) | (61,336)
Proceeds from sale of equipment | 1,160 | 2,575 | 852
Proceeds from the sale of equity interests in a joint venture | 132 | 0 | 0
Proceeds from sale of imaging and medical practice assets | 0 | 0 | 8,429
Proceeds from sale of internal use software | 0 | 248 | 492
Nulogix return of capital | 792 | 0 | 0
Cash contribution from partner in JV formation | 0 | 0 | 1,473
Equity contributions in existing and purchase of interest in joint ventures | (103) | (2,000) | (1,118)
Net cash used in investing activities | (99,465) | (146,749) | (79,320)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Principal payments on notes and leases payable | (6,494) | (6,072) | (6,836)
Payments on term loan debt | (40,742) | (33,830) | (196,666)
Proceeds from debt issuance, net of issuance costs | 97,144 | 0 | 164,938
Distributions paid to noncontrolling interests | (3,057) | (1,427) | (1,528)
Proceeds from sale of noncontrolling interest | 5,275 | 0 | 7,720
Contributions from noncontrolling partners | 750 | 2,640 | 125
Proceeds from revolving credit facility | 261,200 | 204,300 | 200,800
Payments on revolving credit facility | (289,200) | (176,300) | (200,800)
Purchase of noncontrolling interests | 0 | (200) | 0
Proceeds from issuance of common stock upon exercise of options | 75 | 20 | 0
Net cash provided by (used in) financing activities | 24,951 | (10,869) | (32,247)
EFFECT OF EXCHANGE RATE CHANGES ON CASH | (32) | (69) | 26
NET INCREASE (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS | 29,776 | (40,933) | 30,684
CASH AND CASH EQUIVALENTS, beginning of period | 10,389 | 51,322 | 20,638
CASH AND CASH EQUIVALENTS, end of period | 40,165 | 10,389 | 51,322
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION |  |  |
Cash paid during the period for interest | 46,254 | 37,016 | 34,197
Cash paid during the period for income taxes | 5,884 | 4,933 | 4,939
Equipment acquired and leasehold improvements | 51,700 | 47,800 | 18,500
Capital lease debt | 51 | 6,700 | 5,500
Gain (loss) on equity method investment | (134) |  |
Contingent consideration liability adjustment | (3,123) | 1,749 | 0
Medical Arts Radiology |  |  |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Change in value of contingent consideration |  | 1,700 |
Contingent consideration liability adjustment |  | 1,700 |
Business consideration liability adjustment recorded amount | 2,400 |  |
Noncontrolling Interest |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | 8,684 | 5,890 | 2,022
Special distribution from noncontrolling interest | 9,200 |  |
Radnet, Inc. Stockholders' Equity |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | 14,756 | $ 32,243 | $ 53
Special distribution from noncontrolling interest | $ 3,000 |  |

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