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Stockholders Equity (Detail Textuals 1) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Apr. 30, 2017	Jun. 23, 2016	Mar. 31, 2017
Nature Of Operations And Basis Of Presentation [Line Items]
Proceeds from issuance of common stock			$ 86
FBR Sales Agreement
Nature Of Operations And Basis Of Presentation [Line Items]
Percentage of commission on gross equity sales		3.00%
Number of common shares sold into underwriting agreement (in shares)		16,118
Sale of stock, value		$ 100
FBR Sales Agreement | Subsequent event
Nature Of Operations And Basis Of Presentation [Line Items]
Number of common shares sold into underwriting agreement (in shares)	167,000
Sale of stock, value	$ 1,000

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