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10. STOCK BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock option plans
   Years Ended December 31, 
   2014   2013 
   Number
of Shares		   Weighted Average Exercise Price   Number
of Shares		   Weighted Average
Exercise Price		 
Outstanding at beginning of year   241   $6.91    13   $63.00 
Issued   –   $–    229   $3.74 
Cancelled   –  $–    (1)  $12.90 
Outstanding at end of year   241   $6.91    241   $6.91 
Options exercisable at end of year   89   $

11.59

    9   $88.08 
Stock options outstanding
   Options Outstanding   Options Exercisable 
Range of
Exercise Prices		  Number
Outstanding		   Weighted Average Remaining Contractual Life (yrs)   Weighted Average Exercise Price   Number Exercisable   Weighted Average
Exercise Price		 
                          
$3.74   229    8.47   $3.74    76   $3.74 
$12.90   11    6.59   $12.90    11   $12.90 
$866.25-$871.50   1    0.57   $867.23    1   $867.23 
Unvested restricted stock activity
    Number of
Shares		  

Weighted Average Grant Date Fair Value Per Share

 
Unvested at December 31, 2011    31   $64.05 
Vested    (13)  $81.90 
Canceled    (2)  $61.20 
Unvested at December 31, 2012    16   $50.40 
Issued    615   $4.56 
Vested    (142)  $7.85 
Canceled    (17)  $6.20 
Unvested at December 31, 2013    472   $5.07 
Issued    155   $15.23 
Vested    (227)  $5.79 
Canceled    (10)  $4.30 
Unvested at December 31, 2014    390   $8.71 
Stock-based compensation expense
   Years Ended December 31, 
   2014   2013 
Employees  $1,493   $1,333 
Non-employees   345    391 
Total stock-based compensation expense  $1,838   $1,724