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2. Net Loss Per Common Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Net Loss Per Common Share Details        
Net loss (in thousands) $ (1,494) $ (1,070) $ (3,126) $ (1,468)
Weighted-average share reconciliation:        
Weighted-average basic shares outstanding 11,173,762 10,682,393 11,043,770 10,675,990
Diluted shares outstanding 11,173,762 10,682,393 11,043,770 10,675,990
Net loss per common share:        
Basic $ (0.13) $ (0.10) $ (0.28) $ (0.14)
Diluted $ (0.13) $ (0.10) $ (0.28) $ (0.14)