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SUPPLEMENTARY FINANCIAL DATA (UNAUDITED)
12 Months Ended
Dec. 31, 2011
SUPPLEMENTARY FINANCIAL DATA (UNAUDITED) [Abstract]  
SUPPLEMENTARY FINANCIAL DATA (UNAUDITED)
SUPPLEMENTARY FINANCIAL DATA (UNAUDITED)
(In thousands, except per share amounts)
 
Quarter ended:
 
Dec. 31,
 2011
 
Sept. 30,
 2011
 
June 30,
 2011
 
March 31,
 2011
   
Dec. 31,
 2010
 
Sept. 30,
 2010
 
June 30,
 2010
 
March 31,
 2010
 
Net revenue
 
$
18,542
 
$
15,232
 
$
14,895
 
$
11,621
   
$
15,216
 
$
12,092
 
$
12,217
 
$
13,749
 
Cost of revenue
   
7,506
   
6,772
   
6,476
   
5,224
     
6,233
   
5,661
   
5,335
   
5,829
 
Gross profit
   
11,036
   
8,460
   
8,419
   
6,397
     
8,983
   
6,431
   
6,882
   
7,920
 
Operating expenses:
                                                   
Sales and marketing
   
6,779
   
6,426
   
6,348
   
5,946
     
6,123
   
5,799
   
6,452
   
6,361
 
Research and development
   
2,313
   
2,352
   
2,346
   
2,130
     
2,173
   
1,871
   
1,506
   
1,454
 
General and administrative
   
2,878
   
2,310
   
2,588
   
2,328
     
2,238
   
2,352
   
2,744
   
2,242
 
Litigation settlement
   
   
   
   
     
   
   
   
 
Total operating expense
   
11,970
   
11,088
   
11,282
   
10,404
     
10,534
   
10,022
   
10,702
   
10,057
 
Loss from operations
   
(934
)
 
(2,628
)
 
(2,863
)
 
(4,007
)
   
(1,551
)
 
(3,591
)
 
(3,820
)
 
(2,137
)
Interest and other income, net
   
140
   
91
   
199
   
184
     
144
   
132
   
141
   
166
 
Loss before income taxes
   
(794
)
 
(2,537
)
 
(2,664
)
 
(3,823
)
   
(1,407
)
 
(3,459
)
 
(3,679
)
 
(1,971
)
Provision (benefit) for income taxes
   
93
   
326
   
(208
)
 
32
     
(127
)
 
   
82
   
47
 
Net loss
 
$
(887
)
$
(2,863
)
$
(2,456
)
$
(3,855
)
 
$
(1,280
)
$
(3,459
)
$
(3,761
)
$
(2,018
)
Net loss per share-basic
 
$
(0.06
)
$
(0.21
)
$
(0.18
)
$
(0.28
)
 
$
(0.09
)
$
(0.25
)
$
(0.28
)
$
(0.15
)
Net loss per share-diluted
 
$
(0.06
)
$
(0.21
)
$
(0.18
)
$
(0.28
)
 
$
(0.09
)
$
(0.25
)
$
(0.28
)
$
(0.15
)
Weighted average number of shares used in per share calculations:
                                                   
Basic
   
13,930
   
13,862
   
13,765
   
13,667
     
13,622
   
13,589
   
13,501
   
13,438
 
Diluted
   
13,930
   
13,862
   
13,765
   
13,667
     
13,622
   
13,589
   
13,501
   
13,438