Note 10 - Leases - Impact of the Adoption of ASU 2016-02 on Our Balance Sheet (Details) - USD ($) |
Jun. 30, 2019 |
Jan. 01, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Operating Lease Right-of-use Assets, Pre-adoption balance | $ 336,882 | $ 406,842 | |
| Operating Lease Liabilities, Pre-adoption balance | $ 864,699 | 998,602 | |
| Terminated Lease Liability, Pre-adoption balance | |||
| Deferred Rent, Pre-adoption balance | |||
| Previous Accounting Guidance [Member] | |||
| Operating Lease Right-of-use Assets, Pre-adoption balance | |||
| Operating Lease Liabilities, Pre-adoption balance | |||
| Terminated Lease Liability, Pre-adoption balance | 589,173 | ||
| Deferred Rent, Pre-adoption balance | 2,587 | ||
| Adjustments for New Accounting Pronouncement [Member] | |||
| Operating Lease Right-of-use Assets, Pre-adoption balance | 406,842 | ||
| Operating Lease Liabilities, Pre-adoption balance | 998,602 | ||
| Terminated Lease Liability, Pre-adoption balance | (589,173) | ||
| Deferred Rent, Pre-adoption balance | $ (2,587) |
| X | ||||||||||
- Definition The sum of the carrying amount as of the balance sheet date of terminated lease liability that are recognized. No definition available.
|
| X | ||||||||||
- Definition The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|