Equity securities, FV-NI cost short term investments.

No definition available.

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- Definition

Represents the ownership percentage in a property or project.

+ References

No definition available.

+ Details

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- Definition

Line items represent reporting 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/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 12
-Sentence Column A

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
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- Definition

Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

+ References

No definition available.

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- Definition

Balance held at close of period in number of shares.

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- Definition

The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

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- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Cash and Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2018	Dec. 31, 2017
Investments:
Trading securities, cost	$ 275			$ 275
Total short term, cost	275			275
Trading securities					$ 238
Total short term	172			$ 330
Financial institutions minimum net worth	$ 1,000,000
Golden Tag
Investments:
Investment shares held (in shares)	7,500,000			7,500,000
Ownership in property (as a percent)	10.00%
Trading securities
Investments:
Trading securities, cost	$ 275
Equity Securities
Investments:
Trading securities, cost				$ 275
Estimated Fair Value.
Investments:
Trading securities	172			330
Total short term	172			330
Estimated Fair Value. \| Trading securities
Investments:
Trading securities	172
Estimated Fair Value. \| Equity Securities
Investments:
Trading securities				330
Carrying Value.
Investments:
Trading securities	172			330
Total short term	172			330
Carrying Value. \| Trading securities
Investments:
Trading securities	$ 172
Carrying Value. \| Equity Securities
Investments:
Trading securities				$ 330
San Diego \| Golden Tag
Investments:
Ownership in property (as a percent)		50.00%	50.00%