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

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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-Name Accounting Standards Codification
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-SubTopic 20
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Basis of Presentation (Details Textual)	6 Months Ended
Basis of Presentation (Details Textual)	Jun. 30, 2019 USD ($) segment	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Number of reportable segments \| segment	1
Operating lease, liability	$ 1,238,000
Operating lease, right-of-use asset	$ 1,238,000		$ 0
Accounting Standards Update 2016-02
Operating lease, liability		$ 1,362,000
Operating lease, right-of-use asset		$ 1,362,000
OR21 LLC
Equity method investment, ownership percentage	50.00%
Architectural Design Company
Equity method investment, ownership percentage	50.00%