Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Mar. 30, 2017
Jun. 30, 2016
Document Information [Line Items]      
Entity Registrant Name TOWERSTREAM CORP    
Entity Central Index Key 0001349437    
Trading Symbol twer    
Current Fiscal Year End Date --12-31    
Entity Filer Category Smaller Reporting Company    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Common Stock, Shares Outstanding (in shares)   20,777,263  
Entity Public Float     $ 13,520,394
Document Type 10-K/A    
Document Period End Date Dec. 31, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Amendment Flag true    
Amendment Description This Annual Report on Form 10-K/A is being filed as Amendment No. 2 to our Annual Report on Form 10-K which was originally filed on March 31, 2017. On June 22, 2017, the Chairman of the Board of Directors, Chairman of the Audit Committee, Chief Executive Officer and Chief Financial Officer of Towerstream Corporation (the “Company”) determined that the Company’s financial statements which were included in its annual report for the year ended December 31, 2016 should no longer be relied upon as a result of a non-financial covenant and the timing of the written waiver received by the Company. On October 16, 2014, Melody Business Finance, LLC, as administrative agent for the certain lenders therein (collectively, the “Lender”), entered into a loan agreement with the Company (the “Loan Agreement”). On June 14, 2017, the Lender delivered to the Company a “Waiver to Loan Agreement” (the “Waiver”) waiving obligations of the Company to provide an audited report of its auditors covering the December 31, 2016 audited financial statements “without a ‘going concern’ or like qualification or exception and without any qualification or exception as to the scope of such audit” as provided in Section 6.1(a)(i) of the Loan Agreement. The effective date of the waiver is March 31, 2017. Accordingly, the Waiver is effective retroactive to the date on which the Company’s auditors’ report concerning the December 31, 2016 financial statements which included a “going concern” explanatory paragraph was issued. The Company has restated its previously reported balance sheet by reclassifying long term debt with a net carrying value of $31,487,253 as current liabilities as of December 31, 2016. The Lender has not provided the Company any notice of Default or any Event of Default, as such terms are defined in the Loan Agreement, and has waived for all purposes the December 31, 2016 going concern covenant requirement. There were no other changes to the Company’s previously reported assets, total liabilities, net loss or loss per share of common stock. This Amendment to the Form 10-K for the period ended December 31, 2016 contains currently dated certifications as Exhibits 31.1, 31.2, 32.1 and 32.2. No attempt has been made in this Amendment No. 2 to the Form 10-K for the year ended December 31, 2016 to modify or update the other disclosures presented in the Form 10-K as previously filed, except as required by the restatement. This Amendment No. 2 on Form 10-K/A does not reflect events occurring after the filing of the original Form 10-K or modify or update those disclosures that may be affected by subsequent events. Accordingly, this Amendment No. 2 should be read in conjunction with our other filings with the Securities and Exchange Commission.