Stockholders' Equity (Details) - $ / shares	1 Months Ended
	Feb. 28, 2017	Apr. 29, 2016
Two independent directors [Member]
Stockholders' Equity (Textual)
Common stock shares issued to independent directors	2,542	2,072
Common stock issued at five days average market price	$ 1.96	$ 2.43
Number of days used to calculation average market price of common stock	Five days before the grant date.	Five days before the grant date.
Two independent directors one [Member]
Stockholders' Equity (Textual)
Common stock shares issued to independent directors	2,354
Common stock issued at five days average market price	$ 2.14
Number of days used to calculation average market price of common stock	Five days before the grant date.