INCOME TAXES (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Taxes (Textual)
Operating loss and credit carryforwards expiration, Description	As of December 31, 2020, Andrea federal had net operating loss carryforwards of approximately $27,000,000. $2,400,000 of these federal net operating loss carryforwards are carried forward indefinitely, the remaining $24,600,000 expire in varying amounts beginning in 2021 through 2036. Andrea has state net operating loss carryforwards of approximately $3,700,000 expiring in varying amounts beginning in 2035. Andrea has general business credits of approximately $1,000,000 expiring in varying amounts beginning in 2021 through 2039
General business credits expiration, Description	Andrea has general business credits of approximately $1,000,000 expiring in varying amounts beginning in 2021 through 2039.
Provision for income taxes	$ 619	$ 1,805
Operating loss carry-forwards	$ 5,732,000	$ 7,241,000