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6. Accrued Compensation
12 Months Ended
Dec. 31, 2014
Compensation Related Costs [Abstract]  
6. Accrued Compensation

Accrued compensation consisted of the following at December 31, 2014 and 2013:

 

   December 31, 
   2014   2013 
Accrued vacation  $490,000   $439,000 
Accrued salaries   227,000    137,000 
Accrued bonuses   19,000    45,000 
Accrued commissions   13,000    26,000 
Total accrued compensation  $749,000   $647,000