Annual report pursuant to Section 13 and 15(d)

Note 9 - Leases (Details Textual)

v3.20.4
Note 9 - Leases (Details Textual)
1 Months Ended 12 Months Ended
Sep. 30, 2018
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Feb. 01, 2017
USD ($)
ft²
Operating Lease, Expense   $ 300,000 $ 301,000  
Operating Lease, Weighted Average Remaining Lease Term (Month)   150 days    
Operating Lease, Weighted Average Discount Rate, Percent   12.50%    
Operating Lease, Property Plant and Equipment, Amount   $ 841,000    
Sublease Agreement for Relocation of Headquarters [Member]        
Area of Real Estate Property (Square Foot) | ft²       12,400
Operating Leases, Monthly Rent Per Rentable Square Foot During First Year       20.5
Operating Leases, Monthly Rent Per Rentable Square Foot During Second Year       21.12
Operating Leases, Monthly Rent Per Rentable Square Foot During Third Year       21.75
Security Deposit       $ 22,000
Operating Leases, Allowance for Certain Improvements       $ 88,000
Noncancelable Operating Lease Agreement for Office Equipment [Member]        
Lessee, Operating Lease, Term of Contract (Month) 3 years      
Operating Leases, Monthly Payment $ 3,000      
Leases of Viveve Systems [Member]        
Lessor, Operating Lease, Depreciation on Leased Assets   $ 462,000 $ 121,000