Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Textuals)

v3.10.0.1
Organization and Summary of Significant Accounting Policies (Details Textuals) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
New Accounting Pronouncement, Early Adoption [Line Items]          
Payment term     30 days    
Order term     1 year    
Return term     6 months    
Consolidated statements of operations:          
Net revenue $ 85,010 $ 113,581 $ 297,370 $ 306,597  
Cost of net revenue 41,134 61,739 134,496 150,727  
Gross profit 43,876 51,842 162,874 155,870  
Loss from operations (12,568) (10,643) (8,385) (16,005)  
Loss before income taxes (15,985) (15,443) (19,199) (23,509)  
Income tax provision (benefit) (2,050) (6,276) 7,311 (33,770)  
Net income (loss) $ (13,935) $ (9,167) $ (26,510) $ 10,261  
Basic earnings (loss) per share (usd per share) $ (0.20) $ (0.14) $ (0.39) $ 0.16  
Diluted earnings (loss) per share (usd per share) $ (0.20) $ (0.14) $ (0.39) $ 0.15  
Consolidated balance sheet:          
Accounts receivable, net $ 58,633   $ 58,633   $ 66,099
Inventory 41,757   41,757   53,434
Total current assets 174,253   174,253   201,304
Total assets 742,144   742,144   824,862
Deferred revenue and deferred profit 0   0   4,362
Accrued expenses and other current liabilities 27,480   27,480   20,306
Total current liabilities 66,464   66,464   76,386
Total liabilities 349,750   349,750   437,438
Accumulated deficit (93,941)   (93,941)   (69,119)
Total stockholders’ equity 392,394   392,394   387,424
Total liabilities and stockholders’ equity $ 742,144   $ 742,144   $ 824,862
Revenue from Distributors          
Consolidated balance sheet:          
Concentration risk percentage 46.00% 41.00% 41.00% 31.00%  
Minimum          
New Accounting Pronouncement, Early Adoption [Line Items]          
Warranty term     1 year    
Rebate and price protection program term     1 year    
Maximum          
New Accounting Pronouncement, Early Adoption [Line Items]          
Warranty term     3 years    
Rebate and price protection program term     2 years    
Amounts under Legacy GAAP          
Consolidated statements of operations:          
Net revenue $ 85,106   $ 286,475    
Cost of net revenue 41,182   130,782    
Gross profit 43,924   155,693    
Loss from operations (12,520)   (15,566)    
Loss before income taxes (15,937)   (26,380)    
Income tax provision (benefit) (2,040)   5,803    
Net income (loss) $ (13,897)   $ (32,183)    
Basic earnings (loss) per share (usd per share) $ (0.20)   $ (0.47)    
Diluted earnings (loss) per share (usd per share) $ (0.20)   $ (0.47)    
Consolidated balance sheet:          
Accounts receivable, net $ 58,633   $ 58,633    
Inventory 41,561   41,561    
Total current assets 174,057   174,057    
Total assets 741,948   741,948    
Deferred revenue and deferred profit 15,240   15,240    
Accrued expenses and other current liabilities 19,351   19,351    
Total current liabilities 73,575   73,575    
Total liabilities 356,861   356,861    
Accumulated deficit (101,248)   (101,248)    
Total stockholders’ equity 385,087   385,087    
Total liabilities and stockholders’ equity 741,948   741,948    
Impact of Adoption | Accounting Standards Update 2014-09          
Consolidated statements of operations:          
Net revenue (96)   10,895    
Cost of net revenue (48)   3,714    
Gross profit (48)   7,181    
Loss from operations (48)   7,181    
Loss before income taxes (48)   7,181    
Income tax provision (benefit) (10)   1,508    
Net income (loss) $ (38)   $ 5,673    
Basic earnings (loss) per share (usd per share) $ 0.00   $ 0.08    
Diluted earnings (loss) per share (usd per share) $ 0.00   $ 0.08    
Consolidated balance sheet:          
Accounts receivable, net $ 0   $ 0    
Inventory 196   196    
Total current assets 196   196    
Total assets 196   196    
Deferred revenue and deferred profit (15,240)   (15,240)    
Accrued expenses and other current liabilities 8,129   8,129    
Total current liabilities (7,111)   (7,111)    
Total liabilities (7,111)   (7,111)    
Accumulated deficit 7,307   7,307    
Total stockholders’ equity 7,307   7,307    
Total liabilities and stockholders’ equity $ 196   $ 196