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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	100,000	100,000
Liquidation preference shares	$ 2,685	$ 2,527
Common stock, par value	$ 0.01	$ 0.01
Common stock, unlimited authorized	Unlimited	Unlimited
Common stock, issued	13,058,491	11,820,057
Common stock, outstanding	13,058,491	11,820,057
Series A Convertible Preferred Stock [Member]
Preferred stock, authorized	50,000
Liquidation preference shares	$ 2
Common stock, par value	$ 0.01

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Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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