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LONG-TERM BORROWING (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | May 01, 2020 USD ($) | May 01, 2020 CNY (¥)
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Long-term borrowing | $ 1,470 | ¥ 9,594 |  |
PPP loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term borrowing |  |  | $ 1,470 |
Interest rate (as a percent) |  |  | 1.00% | 1.00%
Bay State College Inc |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term borrowing |  |  | $ 1,470 | ¥ 9,594
Interest rate (as a percent) |  |  | 1.00% | 1.00%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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