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Restatement of the Consolidated Financial Statements - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
As Previously or Currently Reported [Member]
Sep. 30, 2013
As Previously or Currently Reported [Member]
Jun. 30, 2013
As Previously or Currently Reported [Member]
Mar. 31, 2013
As Previously or Currently Reported [Member]
Dec. 31, 2012
As Previously or Currently Reported [Member]
Sep. 30, 2012
As Previously or Currently Reported [Member]
Jun. 30, 2012
As Previously or Currently Reported [Member]
Mar. 31, 2012
As Previously or Currently Reported [Member]
Dec. 31, 2013
As Previously or Currently Reported [Member]
Dec. 31, 2012
As Previously or Currently Reported [Member]
Dec. 31, 2011
As Previously or Currently Reported [Member]
Sep. 30, 2012
Revolving Credit Facility [Member]
Jun. 30, 2012
Revolving Credit Facility [Member]
May 31, 2012
Revolving Credit Facility [Member]
Dec. 31, 2013
Revolving Credit Facility [Member]
Jun. 30, 2012
Inventory Reserve [Member]
Dec. 31, 2012
Inventory Reserve [Member]
May 31, 2012
Term Loan Facility [Member]
Dec. 31, 2013
Term Loan Facility [Member]
Dec. 31, 2013
Distributor Revenue [Member]
Distributor
Dec. 31, 2012
Distributor Revenue [Member]
Dec. 31, 2011
Distributor Revenue [Member]
Dec. 31, 2012
Distributor Revenue [Member]
As Previously or Currently Reported [Member]
Dec. 31, 2011
Distributor Revenue [Member]
As Previously or Currently Reported [Member]
Dec. 31, 2012
Other Adjustment [Member]
Dec. 31, 2013
Minimum [Member]
Distributor Revenue [Member]
Dec. 31, 2013
Maximum [Member]
Distributor Revenue [Member]
Increase (Decrease) in net sales                   $ (14,700,000) $ (28,200,000)                                                      
Increase (Decrease) in net income from continuing operations                   (8,900,000) (14,500,000)                                                      
Net sales 106,143,000 92,738,000 98,280,000 103,373,000 117,365,000 107,857,000 113,423,000 108,936,000 400,534,000 447,581,000 441,971,000          100,254,000 112,035,000 114,752,000 119,492,000 116,041,000    462,320,000 470,121,000                       462,000,000 470,000,000      
Percentage of net sales                                                                         11.00% 13.00%
Distributors that did not meet the fixed or determinable or collectability revenue recognition criteria                                                             4              
Number of distributer terminated                                                             2              
Sales return                                                               3,300,000 4,100,000          
Increase (Decrease) in accounts receivable                 (25,747,000) 18,438,000 (293,000)                                         (41,300,000)            
Increase (Decease) in inventory                 6,626,000 2,495,000 12,624,000                                 (14,800,000)       11,000,000            
Increase (Decrease) in inventory reserve                                                     1,200,000                      
Adjustment to reclassify interest expenses                     3,900,000                                                      
Repayment of debt obligation                 16,000 188,695,000 7,500,000                                   87,500,000 87,500,000                
Repayment of debt obligation                                             20,000,000 20,000,000 57,500,000 57,500,000                        
Increase in cash flow related to operating activities                                                                       $ 1,000,000