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Stock-Based Compensation (Details Narrative)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2016
shares
Jun. 30, 2017
USD ($)
shares
Jun. 30, 2016
USD ($)
shares
May 01, 2016
shares
Dec. 27, 2011
shares
Reverse stock split ratio   0.10 0.10    
Common stock issued as compensation to directors, shares   51,649    
Common stock issued as compensation to directors | $   $ 222    
Shares available for grant   145,861      
Directors [Member]          
Common stock issued as compensation to directors | $     $ 222    
Chairman [Member]          
Common stock issued as compensation to directors, shares 46,926   46,926    
Common stock issued as compensation to directors | $     $ 200    
2011 Compensation Plan [Member]          
Shares authorized for grant       210,000 105,000