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SEGMENT INFORMATION (Schedule of selected consolidated financial information for Andrea's segments) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Summary of condensed consolidated interim financial information for Andrea's segments    
Net product revenues $ 1,852,322 $ 1,391,335
Service related revenues 17,271 38,999
License revenues 42,918 73,199
Loss from operations (476,628) (890,185)
Depreciation and amortization 77,361 98,050
Purchases of patents and trademarks 16,737 46,907
Purchases of property and equipment   24,309
Assets 1,289,471 1,519,008
Total long lived assets 257,283 317,907
Patent Monetization [Member]    
Summary of condensed consolidated interim financial information for Andrea's segments    
Net product revenues
Service related revenues
License revenues 950 1,241
Loss from operations (397,200) (394,382)
Depreciation and amortization 24,220 34,250
Purchases of patents and trademarks 8,369 23,453
Purchases of property and equipment  
Assets 257,685 287,206
Total long lived assets 115,562 131,410
Andrea Dsp Microphone and Audio Software Products [Member]    
Summary of condensed consolidated interim financial information for Andrea's segments    
Net product revenues 1,852,322 1,391,335
Service related revenues 17,271 38,999
License revenues 24,697 32,959
Loss from operations (79,428) (495,803)
Depreciation and amortization 53,141 63,800
Purchases of patents and trademarks 8,368 23,454
Purchases of property and equipment   24,309
Assets 1,031,786 1,231,802
Total long lived assets $ 141,721 $ 186,497