Issuance of Common Stock (Detail Textuals) - Stock Purchase Agreement $ in Thousands		1 Months Ended
	Feb. 13, 2017 USD ($) investor shares	Jan. 23, 2017 USD ($) investor shares
Glenhill Concentrated Long Master Fund, LLC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock issued | shares		40,000
Proceeds from issuance of common stock | $		$ 100,000
Number of investors in stock repurchase programme | investor		1
Accredited Investors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock issued | shares	150,000
Proceeds from issuance of common stock | $	$ 375,000
Number of investors in stock repurchase programme | investor	2