Stock Based Compensation (Details Textual)	Dec. 31, 2018 USD ($)
Xcede Technologies inc [Member]
Class of Stock [Line Items]
Equity Method Investment, Ownership Percentage	63.00%
Xcede joint venture [Member] \| Subsidiary Option Grants [Member]
Class of Stock [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	$ 32,000
Employee Stock Plan [Member]
Class of Stock [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	$ 41,000

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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- Definition

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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-Publisher FASB
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