SEGMENT INFORMATION (Schedule of selected consolidated financial information for Andrea's segments) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	$ 1,295,833	$ 1,852,322
Service related revenues	45,200	17,271
License revenues	59,530	42,918
Loss from operations	(755,196)	(476,628)
Depreciation and amortization	52,231	77,361
Purchases of property and equipment	5,989
Purchases of patents and trademarks	19,303	16,737
Assets	1,209,904	1,289,471
Total long lived assets	439,675	322,895
Patent Monetization [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues
Service related revenues
License revenues	554	950
Loss from operations	(362,254)	(397,200)
Depreciation and amortization	18,908	24,220
Purchases of property and equipment
Purchases of patents and trademarks	9,651	8,369
Assets	279,437	257,685
Total long lived assets	106,296	115,562
Andrea Dsp Microphone and Audio Software Products [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	1,295,833	1,852,322
Service related revenues	45,200	17,271
License revenues	13,776	24,697
Loss from operations	(392,942)	(79,428)
Depreciation and amortization	33,323	53,141
Purchases of property and equipment	5,989
Purchases of patents and trademarks	9,652	8,368
Assets	930,467	1,031,786
Total long lived assets	$ 333,379	$ 207,333