Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Taxes (Textual)
Operating loss and credit carryforwards expiration, Description	Andrea had net operating loss carryforwards of approximately $43.8 million. $1 million of these net operating loss carryforwards are carried forward indefinitely, the remaining $42.8 million expire in varying amounts beginning in 2018 through 2037.
General business credits expiration, Description	Andrea has General Business Credits of approximately $1.4 million expiring in varying amounts beginning in 2018 through 2038.
Change in effective tax rate		$ 5,700,000
Provision for income taxes	$ 2,563	$ 12,941
Minimum [Member]
Income Taxes (Textual)
U.S. corporate income tax rate	21.00%
Maximum [Member]
Income Taxes (Textual)
U.S. corporate income tax rate	35.00%