Note 7 - Leases (Details Textual) xbrli-pure in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
|
| Operating Lease, Expense | $ 98,000 | $ 165,000 | ||
| Operating Leases, Rent Expense, Total | $ 58,000 | $ 115,000 | ||
| Finance Lease, Liability, Total | $ 0 | $ 0 | ||
| Lessee, Operating Lease, Not yet Commenced | 0 | 0 | ||
| Lessee, Finance Lease, Not yet Commenced | 0 | 0 | ||
| Sublease Income | $ 42,000 | $ 42,000 | ||