Equity - Options (Details) - USD ($)	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Stock Based Compensation Plans
Options outstanding at end of the period (in shares)	33,334
Options exercisable at end of the period (in shares)	33,334
2015 Plan
Stock Based Compensation Plans
Total shares reserved for issuance of common stock related to the conversion of preferred stock	1,400,000
Stock options granted (in shares)	0	0
Options exercised (in shares)	0	0
Stock options
Stock Based Compensation Plans
Compensation expense related to share-based award	$ 2,000	$ 4,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Aggregate number of common shares reserved for future issuance.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Number of share options (or share units) exercised during the current period.

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