Note 2 - Revenue from Contracts with Customers (Details Textual) |
6 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2020
USD ($)
|
Mar. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
|
| Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 0 | $ 0 | |
| Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent, Total | $ 13,918 | 0 | |
| Number of Subcontracts with Significant Financing Component | 1 | ||
| Subcontract, Payments Receivable Under Regular Terms, Percent | 90.00% | ||
| Subcontract, Payments Receivable Deferred Until Specific Deliverable is Met, Percent | 10.00% | ||
| Subcontract, Payments Receivable, Interest Rate | 4.50% | ||
| Deferred Costs of Revenue | $ 56,275 | $ 246,351 | 453,607 |
| Prepaid Expenses and Other Current Assets [Member] | |||
| Deferred Costs of Revenue | $ 56,275 | $ 453,607 |
| X | ||||||||||
- Definition Amount of deferred costs of revenue as of the balance sheet date. No definition available.
|
| X | ||||||||||
- Definition The number of subcontracts outstanding which have a significant financing component attached to them. No definition available.
|
| X | ||||||||||
- Definition The percent of the outstanding subcontract which is deferred until specific deliverables are met by the prime contractor. No definition available.
|
| X | ||||||||||
- Definition The interest rate associated with the subcontract No definition available.
|
| X | ||||||||||
- Definition The percent of the outstanding subcontract which is receivable under the regular terms of the subcontract. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|