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Stock Options And Restricted Shares (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 08, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Selling, general and administrative expenses |  | $ 3,406 | $ 4,335 | $ 4,804
Values of stock options outstanding |  | $ 23 |  |
Repurchase the restricted, description |  | The Company has the right to repurchase 152,370 restricted shares, with weighted average grant date fair value at a price of $1.97 per share, at a price of $0.01 per share. |  |
Employees restricted shares |  | 175,000 |  |
Fair value price |  | $ 1.97 |  |
weighted average repurchase restricted |  | 152,370 |  |
Per share price |  | $ 0.01 | $ 0.01 |
Aggregate intrinsic values |  | $ 23 |  |
Selling, general and administrative expenses [Member] |  |  |  |
Selling, general and administrative expenses |  | $ 135 |  |
Option Plan 2010 [Member] |  |  |  |
Exercisable period of options granted |  | 5 years |  |
Stock Issued During Period, Shares, Restricted Stock |  | 600,000 |  |
Stock options and restricted shares, description | The Board of Directors of the Company granted awards for a total of 585,000 shares of stock options and restricted shares under the Company's 2010 Option Plan. The awards consisted of 160,000 non-qualified share options to 20 key employees, 250,000 non-qualified share options to 7 directors of the Company, including 60,000 options to the Company's Chief Executive Officer and Chairman of the Board, and 175,000 restricted shares to 12 managers and key employees. |  |  |
Selling, general and administrative expenses |  | $ 135 |  |
Repurchase the restricted, description |  | The restricted shares will vest in five years. In the event that any recipient's employment with the Group is terminated before August 8, 2024, the Company will have the right to repurchase the restricted shares at a price of $0.01 per share. |  |
weighted-average period |  | 4 years 4 months 9 days |  |
Unrecognized compensation cost |  | $ 299 |  |

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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Remaining weighted average contract period of financial guarantee insurance contracts, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 55 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=99379334&loc=SL5751133-161288 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 9 -Subparagraph (a)(5)(ii) -URI http://asc.fasb.org/extlink&oid=99382878&loc=SL5749324-161292 + Details
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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + 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(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121326447&loc=d3e2646-109256 + Details
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