XML 46 R30.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Note 11 - Reserves (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Notes Tables |
Summary of Valuation Allowance [Table Text Block] |
Description |  | Balance at Beginning of Year |  |  | Increase |  |  | Decrease |  |  | Balance at End of Year |
|  | (in thousands) |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 |  | $ | 34 |  |  | $ | 1 |  |  | $ | - |  |  | $ | 35 |
2018 |  | $ | 40 |  |  | $ | - |  |  | $ | (6 | ) |  | $ | 34 |

X
- Definition Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_SummaryOfValuationAllowanceTextBlock
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