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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
NET SERVICE FEE REVENUE |  |  |  |
Service fee revenue, net of contractual allowances and discounts | $ 165,373 | $ 152,381 | $ 496,424 | $ 463,733
Provision for bad debts | (7,033) | (6,574) | (20,810) | (19,453)
Net service fee revenue | 158,340 | 145,807 | 475,614 | 444,280
Revenue under capitation arrangements | 16,848 | 14,646 | 49,034 | 43,540
Total net revenue | 175,188 | 160,453 | 524,648 | 487,820
OPERATING EXPENSES |  |  |  |
Cost of operations, excluding depreciation and amortization | 151,770 | 133,223 | 450,030 | 405,177
Depreciation and amortization | 14,762 | 13,369 | 44,050 | 43,154
(Gain) loss on sale and disposal of equipment | (5) | (45) | 357 | 255
Severance costs | 72 | 66 | 312 | 678
Total operating expenses | 166,599 | 146,613 | 494,749 | 449,264
INCOME FROM OPERATIONS | 8,589 | 13,840 | 29,899 | 38,556
OTHER EXPENSES |  |  |  |
Interest expense | 11,052 | 13,875 | 34,542 | 40,917
Equity in earnings of joint ventures | (1,617) | (909) | (4,481) | (4,157)
Gain on sale of imaging centers | 0 | 0 | (2,108) | 0
Gain on de-consolidation of joint venture | 0 | (2,777) | 0 | (2,777)
Other expense (income) | 4 | (1,360) | 152 | (3,851)
Total other expenses | 9,439 | 8,829 | 28,105 | 30,132
(LOSS) INCOME BEFORE INCOME TAXES | (850) | 5,011 | 1,794 | 8,424
Provision for income taxes | 483 | (30) | (766) | (696)
NET (LOSS) INCOME | (367) | 4,981 | 1,028 | 7,728
Net income (loss) attributable to noncontrolling interests | 100 | (72) | 151 | (160)
NET (LOSS) INCOME ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS | $ (467) | $ 5,053 | $ 877 | $ 7,888
BASIC NET (LOSS) INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS | $ (0.01) | $ 0.13 | $ 0.02 | $ 0.21
DILUTED NET (LOSS) INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS | $ (0.01) | $ 0.13 | $ 0.02 | $ 0.20
WEIGHTED AVERAGE SHARES OUTSTANDING |  |  |  |
Diluted | 39,235,863 | 39,860,685 | 39,886,140 | 39,244,299

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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration