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STOCKHOLDERS' EQUITY: (Tables)
9 Months Ended
Sep. 30, 2013
Stockholders' Equity Note [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Transactions and other information relating to stock options for the nine months ended September 30, 2013, are summarized below:
 
 
 
Number of
Options
 
Weighted-Average
Exercise Price
 
Weighted-Average
Remaining
Contractual Term
(In Years)
 
Aggregate
Intrinsic
Value
 
Outstanding at December 31, 2012
 
 
4,630,000
 
$
8.17
 
 
 
 
 
 
Grants
 
 
 
$
 
 
 
 
 
 
 
Exercised
 
 
 
$
 
 
 
 
 
 
 
Forfeited/cancelled/expired
 
 
55,000
 
$
15.30
 
 
 
 
 
 
 
Balance as of September 30, 2013
 
 
4,575,000
 
$
8.08
 
 
3.06
 
$
2,908,491
 
Vested and expected to vest at September 30, 2013
 
 
4,566,000
 
$
8.10
 
 
3.05
 
$
2,891,422
 
Unvested at September 30, 2013
 
 
75,000
 
$
0.83
 
 
8.68
 
$
140,058
 
Exercisable at September 30, 2013
 
 
4,500,000
 
$
8.21
 
 
2.97
 
$
2,768,433
 
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Transactions and other information relating to restricted stock grants for the nine months ended September 30, 2013, are summarized below:
 
 
 
Shares
 
Average
Fair Value
at Grant
Date
 
Unvested at December 31, 2012
 
 
82,000
 
$
1.11
 
Grants
 
 
110,000
 
$
2.28
 
Vested
 
 
(62,000)
 
$
1.09
 
Forfeited/cancelled/expired
 
 
 
$
 
Unvested at September 30, 2013
 
 
130,000
 
$
2.11