Annual report pursuant to Section 13 and 15(d)

Segment Information - Schedule of Segment Information (Details)

v3.21.1
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Segment Reporting Information [Line Items]    
Revenues $ 33,867 $ 35,097
Gross profit 8,827 7,786
Operating loss (8,996) (12,431)
Depreciation and amortization 4,122 4,076
Interest expense, net 504 1,480
Net loss before provision for income taxes (8,925) (15,161)
Recycling    
Segment Reporting Information [Line Items]    
Revenues 33,867 35,097
Gross profit 8,827 7,786
Operating loss (3,172) (6,397)
Depreciation and amortization 376 346
Interest expense, net 504 1,480
Net loss before provision for income taxes (2,980) (9,008)
Biotechnology    
Segment Reporting Information [Line Items]    
Revenues 0 0
Gross profit 0 0
Operating loss (1,738) (1,038)
Depreciation and amortization 0 0
Interest expense, net 0 0
Net loss before provision for income taxes (1,738) (1,038)
Technology    
Segment Reporting Information [Line Items]    
Revenues 0 0
Gross profit 0 0
Operating loss (4,086) (4,996)
Depreciation and amortization 3,746 3,730
Interest expense, net 0 0
Net loss before provision for income taxes $ (4,207) $ (5,115)