XML 56 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
OBLIGATIONS - Revolving Line of Credit (Details)
3 Months Ended
Sep. 25, 2015
USD ($)
Jul. 02, 2017
USD ($)
Apr. 02, 2017
USD ($)
Jan. 01, 2017
USD ($)
Oct. 02, 2016
USD ($)
Apr. 03, 2016
USD ($)
Jul. 03, 2016
USD ($)
Jan. 03, 2016
USD ($)
Line of Credit Facility [Line Items]                
Revolving debt outstanding       $ 6,000,000       $ 2,000,000
Revolving Line of Credit | Silicon Valley Bank                
Line of Credit Facility [Line Items]                
Tangible net worth (at least) $ 12,000,000     $ 6,000,000 $ 8,000,000 $ 12,000,000 $ 10,000,000  
Percentage of proceeds from equity issuance 0.5         0.5    
Percentage of proceeds from investments 0.5         0.5    
Unrestricted cash or cash equivalents (at least) $ 6,000,000         $ 6,000,000    
Long-term portion of obligations (at least) 1.1     1.50 1.50 2.00    
Line of credit extension period 2 years              
Revolving line of credit (up to) $ 6,000,000.0              
Amount of increase in company in company election (up to) $ 12,000,000.0              
Revolving debt outstanding       $ 6,000,000        
Interest rate       3.75%        
Scenario, Forecast | Revolving Line of Credit | Silicon Valley Bank                
Line of Credit Facility [Line Items]                
Tangible net worth (at least)   $ 8,000,000 $ 4,000,000          
Long-term portion of obligations (at least)   1.25 1.25