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Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Compensation.

Schedule of weighted average assumptions used

		2018		2019		2020
Expected volatility		57.30	%	Not applicable		Not applicable
Weighted average volatility		57.30	%	Not applicable		Not applicable
Expected dividends		—		Not applicable		Not applicable
Risk-free rate		3.10	%	Not applicable		Not applicable
Contractual term (in years)		10		Not applicable		Not applicable
Enterprise value		US$0.65		Not applicable		Not applicable

Schedule of stock option activity

								Weighted average		Remaining		Aggregated
		Employees		Consultants		Total		exercise price		contractual life		intrinsic value
		(in thousands)		(in thousands)		(in thousands)		US$				RMB
Outstanding at January 1, 2017		18,892		1,637		20,529		0.43		1.39		9,975
Granted		60		—		60		0.42		—		—
Exercised		—		—		—		—		—		—
Forfeited		(1,877)		—		(1,877)		0.94		—		—
Outstanding at December 31, 2017		17,075		1,637		18,712		0.37		0.72		8,951
Granted		205		—		205		1.00		—		—
Exercised		—		—		—		—		—		—
Forfeited		(3,443)		—		(3,443)		0.12		—		—
Replaced by restricted shares		(13,837)		(1,637)		(15,474)		(0.43)		—		—
Outstanding at December 31, 2018, 2019 and 2020		—		—		—		—		—		—
Exercisable as of December 31, 2017		10,606		1,424		12,030		0.28		0.39		5,293
Exercisable as of December 31, 2018, 2019 and 2020		—		—		—		—		—		—

Schedule of restricted shares

		Number of restricted		Weighted-Average
		shares		Grant-Date Fair Value
				US$
Outstanding as of January 1, 2018		—		—
Granted		24,407,184		1.595
Vested		(12,917,926)		1.595
Outstanding as of December 31, 2018		11,489,258		1.595
Granted		11,527,950		1.440
Forfeit		(733,764)		1.593
Vested		(13,070,570)		1.623
Outstanding as of December 31, 2019		9,212,874		1.364
Granted		3,890,000		0.382
Forfeit		(3,186,301)		1.587
Vested		(2,998,978)		1.406
Outstanding as of December 31, 2020		6,917,595		0.692

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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