Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Textuals)

v3.8.0.1
Organization and Summary of Significant Accounting Policies (Details Textuals) - USD ($)
$ / shares in Units, shares in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
New Accounting Pronouncement, Early Adoption [Line Items]      
Accounts receivable, net $ 90,632,000   $ 66,099,000
Inventory 45,758,000   53,434,000
Assets, Current 201,065,000   201,304,000
Assets 808,714,000   824,862,000
Deferred revenue and deferred profit 0   4,362,000
Accrued expenses and other current liabilities 25,713,000   20,306,000
Liabilities, Current 67,061,000   76,386,000
Total liabilities 402,266,000   437,438,000
Revenue, Net 110,827,000 $ 88,841,000  
Cost of net revenue 48,159,000 35,917,000  
Gross Profit 62,668,000 52,924,000  
Operating Income (Loss) 4,430,000 10,433,000  
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest (17,000) 10,484,000  
Income tax provision (benefit) (1,864,000) 2,021,000  
Net Income (Loss) Attributable to Parent $ 1,847,000 $ 8,463,000  
Basic $ 0.03 $ 0.13  
Diluted $ 0.03 $ 0.12  
Diluted 70,440 69,149  
Accumulated deficit $ (65,743,000)   (69,119,000)
Total stockholders’ equity 406,448,000   387,424,000
Liabilities and Equity 808,714,000   $ 824,862,000
Previous Accounting Guidance [Member]      
New Accounting Pronouncement, Early Adoption [Line Items]      
Accounts receivable, net 91,604,000    
Inventory 45,679,000    
Assets, Current 201,958,000    
Assets 809,607,000    
Deferred revenue and deferred profit 20,159,000    
Accrued expenses and other current liabilities 14,542,000    
Liabilities, Current 76,049,000    
Total liabilities 411,254,000    
Revenue, Net 97,481,000    
Cost of net revenue 42,992,000    
Gross Profit 54,489,000    
Operating Income (Loss) (3,749,000)    
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest (8,196,000)    
Income tax provision (benefit) (3,582,000)    
Net Income (Loss) Attributable to Parent $ (4,614,000)    
Basic $ (0.07)    
Diluted $ (0.07)    
Accumulated deficit $ (73,838,000)    
Total stockholders’ equity 398,353,000    
Liabilities and Equity 809,607,000    
Impact of New Accounting Guidance [Member]      
New Accounting Pronouncement, Early Adoption [Line Items]      
Accounts receivable, net (972,000)    
Inventory 79,000    
Assets, Current (893,000)    
Assets (893,000)    
Deferred revenue and deferred profit (20,159,000)    
Accrued expenses and other current liabilities 11,171,000    
Liabilities, Current (8,988,000)    
Total liabilities (8,988,000)    
Revenue, Net 13,346,000    
Cost of net revenue 5,167,000    
Gross Profit 8,179,000    
Operating Income (Loss) 8,179,000    
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest 8,179,000    
Income tax provision (benefit) 1,718,000    
Net Income (Loss) Attributable to Parent $ 6,461,000    
Basic $ 0.10    
Diluted $ 0.10    
Accumulated deficit $ 8,095,000    
Total stockholders’ equity 8,095,000    
Liabilities and Equity (893,000)    
Revenue from Distributors [Member]      
New Accounting Pronouncement, Early Adoption [Line Items]      
Sales Revenue, Goods, Net $ 0.39 $ 0.23