XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 5 - Agreements and Commitments (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Notes Tables |
Schedule of Product Warranty Liability [Table Text Block] |
|  | June 30, 2020 |  |  | December 31, 2019 |
Balance at December 31 |  | $ | 813,288 |  |  | $ | 432,225 |
Warranty costs charged to cost of goods sold |  |  | 287,847 |  |  |  | 707,079 |
Utilization charges against reserve |  |  | (76,225 | ) |  |  | (315,556 | )
Release of accrual related to expired warranties |  |  | - |  |  |  | - |
Foreign currency effect |  |  | 6,145 |  |  |  | (10,460 | )
Balance at June 30 |  | $ | 1,031,055 |  |  | $ | 813,288 |

X
- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration