Quarterly report pursuant to Section 13 or 15(d)

Significant Agreements (Details)

Significant Agreements (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 08, 2021
Sep. 30, 2018
Oct. 30, 2017
Sep. 30, 2021
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Jul. 31, 2021
Jul. 13, 2021
Dec. 31, 2020
Dec. 31, 2019
Jul. 01, 2017
Significant Agreements (Details) [Line Items]                        
Company agreement description             According to the terms of the agreement Unicycive will pay the vendor $2 million in the first calendar year when the net revenue reaches $10 million from sales of Renazorb following its approval by the FDA and commercial supply of the product by the vendor (First Payment). Thereafter, we will pay $2 million per year for four consecutive years, after the first year’s payment, for the total payments of $10 million, provided all commercial supplies are continued to be manufactured and supplied by the vendor.          
License agreement     No payments were made upon execution of the agreement but rather payments for $50,000 will be due commencing with the initiation by the Company of a second clinical trial and $50,000 on completion of such trial. At the time the FDA accepts a NDA application submitted by the Company for the product, the Company will pay Sphaera $1.65 million. Upon commercialization and sale of the drug product, royalty payments will also be payable quarterly to Sphaera equal to 2% of net sales on the preceding quarter.                  
Company issued shares (in Shares)   149,762               105,897   62,181
Common stock valued       $ 22,271,000 $ 92,000 $ 50,000            
Public market capitalization                 $ 50,000,000      
Anti-dilution shares of common stock (in Dollars per share)                 $ 438,374      
Research and development expenses             $ 2,200,000          
Purchase agreement, description             The Company is also required to pay Spectrum 40% of all of the Company’s sublicense income for any sublicense granted to certain sublicensees during the first 12 months after the Closing Date (as that term is defined in the Renazorb Purchase Agreement) and 20% of all other sublicense income. The Company’s payment obligations to Spectrum will expire on the twentieth (20th) anniversary of the Closing Date of the Renazorb Purchase Agreement.          
Development Agreement Description The budget for the initial SOW is approximately 24,000,000 Japanese Yen, and an upfront payment of approximately $87,000, was paid to Ascent upon the execution of the Renazorb Development Agreement and was recorded to prepaid expenses and other current assets in accompanying balance sheets. Deliverables for the initial SOW are expected to be completed by December 31, 2021.                      
Spectrum Pharmaceuticals, Inc. [Member]                        
Significant Agreements (Details) [Line Items]                        
Company issued shares (in Shares)   313,663           438,374        
Common stock valued   $ 4,000                    
Interest on ownership   4.00%                    
Market capitalization   $ 50,000,000                    
Cash recognized                   $ 104,000 $ 145,000