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Stock based payments and director fees (Details 1) - Jun. 30, 2015 - Restricted stock - USD ($)
$ / shares in Units, $ in Thousands
Total
Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares 8,000 8,000
Total cost of grant $ 119 $ 119
Grant expense recognized $ 30 $ 57
July 8, 2014 Directors Grants | Director    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares [1] 6,000 6,000
Per share value (in dollars per share) [1] $ 15.00 $ 15.00
Total cost of grant [1] $ 90 $ 90
Grant expense recognized [1] $ 23 $ 45
February 19, 2015 Director Grant | Director    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares [1] 2,000 2,000
Per share value (in dollars per share) [1] $ 14.25 $ 14.25
Total cost of grant [1] $ 29 $ 29
Grant expense recognized [1] $ 7 $ 12
[1] Vesting period is one year from grant date.