v3.19.1

Note 3 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)			1 Months Ended		12 Months Ended
	Jan. 01, 2018 USD ($)	Sep. 29, 2017	Sep. 30, 2017	Jul. 31, 2016	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Cash, Uninsured Amount					$ 3,900,000
Cash, FDIC Insured Amount					$ 250,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent					21.00%	34.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 2,361,936
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	$ 2,232,571
Advertising Expense					$ 40,000	$ 84,000
Number of Operating Segments					1
Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life					5 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life					3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life					5 years
Information Technology [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life					3 years
Information Technology [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life					5 years
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		75	75	20

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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TOWERSTREAM CORP 10-K