Shareholders' Equity, Options and Warrants - Employee Stock Purchase Plan (Details Narrative) - Employee Stock Purchase Plan - USD ($)	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of shares available for issuance	648,507
Shares issued during period	51,439	34,064
Proceeds from issuance of shares during the period	$ 3,304	$ 2,637

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.

No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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