Quarterly Information (Unaudited)
12 Months Ended
Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Information (Unaudited)
14. Quarterly Information (Unaudited)

 

    For the Three Months Ended,  
    March 31,
2012
    June 30,
2012
    September 30,
2012
    December 31,
2012(1)
    March 31,
2013
    June 30,
2013
    September 30,
2013
    December 31,
2013
 
    (in thousands, except for per share data)  

Statement of Operations Data:

               

Revenue

  $ 32,688      $ 33,797      $ 35,368      $ 36,985      $ 37,437      $ 40,670      $ 42,970      $ 45,181   

Gross profit

    29,271        30,372        31,681        33,010        33,028        35,894        38,285        40,235   

Income (loss) from operations

    1,172        2,256        1,549        1,034        (6,630     (123     2,191        2,636   

Net income (loss)

    76        576        718        2,196        (5,807     (1,360     (56     (459

Net income (loss) per share-basic

    0.00        0.02        0.03        0.14        (0.24     (0.06     0.00        (0.02

Net income (loss) per share-diluted

    0.00        0.02        0.03        0.14        (0.24     (0.06     0.00        (0.02

 

  (1) Comparability affected by the reversal of the valuation allowance related to its Xively deferred tax assets of approximately $677,000.