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Consolidated Balance Sheets (Parentheticals) ¥ in Thousands | Dec. 31, 2020 CNY (¥) shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 CNY (¥) shares | Dec. 31, 2019 $ / shares
--- | --- | --- | --- | ---
Accounts receivable, net of allowance | ¥ 19,240 |  | ¥ 11,190 |
Variable Interest Entity [Member] |  |  |  |
Short-term borrowings of the consolidated VIEs | 49,457 |  | 117,568 |
Long-term borrowings, current portion of the consolidated VIEs | 3,618 |  | 9,500 |
Note payable of the consolidated VIEs | 12,105 |  |  |
Accounts payable of the consolidated VIEs | 267,558 |  | 317,816 |
Accrued expenses and other current liabilities of the consolidated VIEs | 226,256 |  | 243,360 |
Due to related parties, current of the consolidated VIEs | 92,737 |  | 43,251 |
Advance workspace membership fee of the consolidated VIEs | 50,858 |  | 92,412 |
Contract liabilities of the consolidated VIEs | 14,833 |  | 23,875 |
Income tax payable of the consolidated VIEs | 301 |  | 325 |
Deferred subsidiary income of the consolidated VIEs | 9,562 |  | 11,974 |
Convertible bond of the consolidated VIEs |  |  |  |
Held-for-sale liabilities, current of the consolidated VIEs |  |  | 32,514 |
Lease liabilities, current of the consolidated VIEs | 351,225 |  | 557,647 |
Long-term borrowings of the consolidated VIEs | 15,242 |  | 5,000 |
Refundable deposits from members, non-current of the consolidated VIEs | 16,477 |  | 14,308 |
Deferred tax liability of the consolidated VIEs | 1,543 |  | 2,427 |
Lease liabilities, non-current of the consolidated VIEs | ¥ 553,034 |  | ¥ 1,345,623 |
Class A Ordinary Shares [Member] |  |  |  |
Ordinary shares, shares authorized (in Shares) | shares | 400,000,000 | 400,000,000 | 400,000,000 |
Ordinary shares, issued (in Shares) | shares | 70,999,436 | 70,999,436 | 62,811,334 |
Ordinary shares, outstanding (in Shares) | shares | 70,999,436 | 70,999,436 | 62,811,334 |
Ordinary shares, par value (in Dollars per share) | $ / shares |  | $ 0.0001 |  | $ 0.0001
Class B Ordinary Shares [Member] |  |  |  |
Ordinary shares, shares authorized (in Shares) | shares | 100,000,000 | 100,000,000 | 100,000,000 |
Ordinary shares, issued (in Shares) | shares | 9,452,407 | 9,452,407 |  |
Ordinary shares, outstanding (in Shares) | shares | 9,452,407 | 9,452,407 |  |
Ordinary shares, par value (in Dollars per share) | $ / shares |  | $ 0.0001 |  | $ 0.0001

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