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4. ACCRUED EXPENSES
3 Months Ended
Mar. 31, 2015
Payables and Accruals [Abstract]  
4. ACCRUED EXPENSES

The major components of accrued expenses are summarized as follows:

 

   March 31,  2015   December 31, 2014 
Accrued vacation  $134,118   $122,537 
Accrued officers’ salary   68,749    68,749 
Accrued interest   203,637    173,437 
Accrued estimated losses on contracts   824    1,590 
Accrued insurance financing   19,981     
Other accrued expense   50,809    1,913 
Total accrued expenses  $478,118   $368,226