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Condensed Consolidated Statements of Operations - USD ($)
shares in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Income Statement [Abstract]        
Revenue $ 54,000 $ 118,000 $ 324,000 $ 324,000
Cost of revenue 46,000 111,000 287,000 307,000
Gross profit 8,000 7,000 37,000 17,000
Operating expenses:        
Selling, general and administrative 1,679,000 1,193,000 3,408,000 3,505,000
Research and development 669,000 814,000 2,036,000 2,608,000
Disposal of corporate lease     544,000  
Total operating expenses 2,348,000 2,007,000 5,988,000 6,113,000
Loss from operations (2,340,000) (2,000,000) (5,951,000) (6,096,000)
Interest and other expense, net (63,000) (68,000) (185,000) (123,000)
Loss from operations before income taxes (2,403,000) (2,068,000) (6,136,000) (6,219,000)
Income tax provision 0 0 0 0
Net loss $ (2,403,000) $ (2,068,000) $ (6,136,000) $ (6,219,000)
Weighted average common shares outstanding:        
Basic and diluted 18,171 6,107 14,649 5,934
Basic and diluted net loss per common share:        
Net loss $ (0.13) $ (0.34) $ (0.42) $ (1.05)