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ADDITIONAL INFORMATION - CONDENSED FINANCIAL STATEMENTS (Schedule of Information of Consolidating Statement of Operations) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 CNY (¥) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥)
NET REVENUES |  |  |  |
- Educational program and services | ¥ 525,134 | $ 76,378 | ¥ 432,754 | ¥ 412,016
- Intellectualized operational services | 6,374 | 927 | 11,170 | 0
Cost of revenues |  |  |  |
- Educational program and services | (331,939) | (48,279) | (249,400) | (238,742)
- Intellectualized operational services | 6,204 | 902 | 6,995 | 0
GROSS LOSS | 193,365 | 28,124 | 187,529 | 173,274
Operating expenses: |  |  |  |
Selling and marketing | (43,751) | (6,363) | (36,710) | (41,818)
General and administrative | (132,718) | (19,303) | (142,252) | (145,513)
Research and development | 1,513 | 220 | 6,262 | 7,572
Total operating expenses | (177,982) | (25,886) | (185,224) | (217,305)
OPERATING LOSS | 15,383 | 2,238 | 2,305 | (44,031)
OTHER EXPENSE |  |  |  |
Interest (expense) income, net | 6,652 | 967 | 5,191 | 5,941
Other income (expense), net | 1,447 | 210 | 1,652 | 2,570
Income tax | (3,498) | (509) | (9,614) | (5,911)
NET (LOSS) INCOME | 44,990 | 6,544 | 46,463 | (35,700)
Parent Company [Member] |  |  |  |
NET REVENUES |  |  |  |
- Educational program and services | 0 | 0 | 0 | 0
- Intellectualized operational services | 0 | 0 | 0 | 0
Cost of revenues |  |  |  |
- Educational program and services | 0 | 0 | 0 | 0
- Intellectualized operational services | 0 | 0 | 0 | 0
GROSS LOSS | 0 | 0 | 0 | 0
Operating expenses: |  |  |  |
Selling and marketing | 0 | 0 | 0 | 0
General and administrative | (1,097) | (160) | (13,457) | (18,854)
Research and development | 0 | 0 | 0 | 0
Total operating expenses | (1,097) | (160) | (13,457) | (18,854)
OPERATING LOSS | (1,097) | (160) | (13,457) | (18,854)
Share of (loss) income from subsidiaries | 44,864 | 6,526 | 59,933 | (23,274)
OTHER EXPENSE |  |  |  |
Interest (expense) income, net | 117 | 17 | 2 | 1
Other income (expense), net | 1,106 | 161 | (15) | 6,427
Income tax | 0 | 0 | 0 | 0
NET (LOSS) INCOME | ¥ 44,990 | $ 6,544 | ¥ 46,463 | ¥ (35,700)

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