Overview and significant Accounting Policies (Details 1)		12 Months Ended
	Jan. 31, 2018 shares	Dec. 31, 2018 USD ($) segments shares	Dec. 31, 2017 USD ($) shares	Jan. 30, 2018 shares
Accounting Policies [Abstract]
Number of reportable segments | segments		1
Stock split conversion ratio	0.10
Common stock, shares authorized (in shares)	25,000,000	25,000,000	25,000,000	250,000,000
Preferred shares authorized (in shares)		1,000,000
Impairment of long-lived assets | $		$ 3,800,000	$ 0