Equity Method Investment - Syntone (Details) - Syntone - USD ($)		1 Months Ended
May 22, 2020	Jun. 30, 2020
Investments
Ownership (as a percent)	20.00%
Investment in joint venture		$ 900,000
Expected future investment	$ 2,100,000
Syntone PRC
Investments
Ownership (as a percent)	80.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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-Name Accounting Standards Codification
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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

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- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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