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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
REVENUE |  |  |  |
Total revenue | $ 289,097 | $ 244,395 | $ 560,647 | $ 475,787
OPERATING EXPENSES |  |  |  |
Cost of operations, excluding depreciation and amortization | 246,558 | 210,055 | 489,615 | 425,689
Depreciation and amortization | 20,083 | 18,086 | 39,703 | 35,942
Loss (gain) on sale and disposal of equipment | 101 | 105 | 1,073 | (1,831)
Severance costs | 371 | 279 | 1,002 | 1,005
Total operating expenses | 267,113 | 228,525 | 531,393 | 460,805
INCOME FROM OPERATIONS | 21,984 | 15,870 | 29,254 | 14,982
OTHER INCOME AND EXPENSES |  |  |  |
Interest expense | 12,399 | 10,641 | 24,694 | 20,680
Equity in earnings of joint ventures | (2,244) | (3,748) | (4,117) | (6,725)
Other (income) expenses | 1,269 | 5 | 1,269 | 6
Total other expenses | 11,424 | 6,898 | 21,846 | 13,961
INCOME BEFORE INCOME TAXES | 10,560 | 8,972 | 7,408 | 1,021
Provision for income taxes | (2,969) | (2,505) | (1,740) | (8)
NET INCOME | 7,591 | 6,467 | 5,668 | 1,013
Net income attributable to noncontrolling interests | 2,692 | 1,061 | 4,503 | 2,945
NET INCOME (LOSS) ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS | $ 4,899 | $ 5,406 | $ 1,165 | $ (1,932)
BASIC NET INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share) | $ 0.10 | $ 0.11 | $ 0.02 | $ (0.04)
DILUTED NET INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share) | $ 0.10 | $ 0.11 | $ 0.02 | $ (0.04)
WEIGHTED AVERAGE SHARES OUTSTANDING Basic (in shares) | 49,702,869 | 47,969,003 | 49,490,234 | 47,896,216
WEIGHTED AVERAGE SHARES OUTSTANDING Diluted (in shares) | 50,144,540 | 48,526,033 | 49,988,036 | 47,896,216
Service fee revenue |  |  |  |
REVENUE |  |  |  |
Service fee revenue, net of contractual allowances and discounts | $ 258,171 | $ 219,416 | $ 500,844 | $ 423,584
Revenue under capitation arrangements |  |  |  |
REVENUE |  |  |  |
Service fee revenue, net of contractual allowances and discounts | $ 30,926 | $ 24,979 | $ 59,803 | $ 52,203

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