Note 7 - Leases (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Jan. 02, 2019 |
Dec. 12, 2012 |
Jun. 30, 2017 |
Jun. 30, 2019 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Feb. 16, 2019 |
|
| Lessee, Operating Lease, Renewal Term | 2 years | 6 years | |||||
| Lessee, Operating Lease, Monthly Rent | $ 100,000 | ||||||
| Lessee, Operating Lease, Annual Rent Increase | 3.00% | ||||||
| Lessee, Operating Lease, Initial Tenant Incentive Allowance | $ 400,000 | ||||||
| Percentage of Office and Laboratory Space Sublease | 47.00% | ||||||
| Lessee, Operating Sublease Monthly Rent | $ 48,000 | ||||||
| Lessee, Operating Sublease, Annual Rent Increase | 3.00% | ||||||
| Lessee, Operating Sublease, Direct Costs | $ 400,000 | ||||||
| Lessee, Operating Sublease, Initial Tenant Incentive Allowance Transfered from Operating Lease | 200,000 | $ 242,000 | |||||
| Increase (Decrease) in Operating Lease Liabilities | (24,000) | $ (313,000) | |||||
| Lessee, Operating Lease, Notice Period | 1 year 180 days | ||||||
| Lessee, Operating Lease, Annual Overhead Fee Payments | $ 200,000 | ||||||
| Increase (Decrease) in Right-of-use Assets | $ (24,000) | ||||||