Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Leases (Details Textual)

v3.21.2
Note 8 - Leases (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Sep. 30, 2018
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Feb. 01, 2017
USD ($)
ft²
Operating Lease, Expense       $ 69,000 $ 73,000 $ 149,000 $ 149,000  
Operating Lease, Weighted Average Remaining Lease Term (Month) 32 months     32 months   32 months    
Operating Lease, Weighted Average Discount Rate, Percent 12.50%     12.50%   12.50%    
Operating Lease, Property Plant and Equipment, Amount $ 483,000     $ 483,000   $ 483,000    
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               20.50
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
Lessee, Operating Lease, Renewal Term (Month)   34 months            
Lessee, Operating Lease, Rent Abatement $ 19,000              
Sublease Agreement for Relocation of Headquarters First Year Extension [Member]                
Lessee, Operating Lease, Monthly Gross Rent   $ 21,028            
Sublease Agreement for Relocation of Headquarters Second Year Extension [Member]                
Lessee, Operating Lease, Monthly Gross Rent   21,643            
Sublease Agreement for Relocation of Headquarters Third Year Extension [Member]                
Lessee, Operating Lease, Monthly Gross Rent   $ 22,258            
Noncancelable Operating Lease Agreement for Office Equipment [Member]                
Lessee, Operating Lease, Term of Contract (Month)     36 months          
Operating Leases, Monthly Payment     $ 3,000          
Leases of Viveve Systems [Member]                
Lessor, Operating Lease, Depreciation on Leased Assets       $ 60,000 $ 115,000 $ 170,000 $ 228,000