XML 46 R32.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Note 3 - Marketable Equity Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Notes Tables |
Marketable Securities [Table Text Block] |
|  | 2016 |  |  | 2015 |
|  | (in thousands) |
Available-for-sale securities |  |  |  |  |  |  |  |
Fair market value |  | $ | 27,621 |  |  | $ | 24,575 |
Cost |  |  | 15,569 |  |  |  | 16,015 |
Unrealized gain |  | $ | 12,052 |  |  | $ | 8,560 |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | 2016 |  |  | 2015 |
|  | (in thousands) |
Available-for-sale securities |  |  |  |  |  |  |  |
Gross unrealized gains |  | $ | 12,161 |  |  | $ | 9,893 |
Gross unrealized losses |  |  | 109 |  |  |  | 1,333 |
Net unrealized gains |  | $ | 12,052 |  |  | $ | 8,560 |
Realized Gain (Loss) on Investments [Table Text Block] |
|  | 2015 |  |  | 2014 |
|  | (in thousands) |
Trading securities |  |  |  |  |  |  |  |
Recognized gain (loss) at beginning of period |  | $ | 146 |  |  | $ | 8 |
Recognized gain at end of period |  |  | - |  |  |  | 146 |
Securities transferred from trading to available-for-sale |  |  | (81 | ) |  |  | - |
Change in net recognized gain (loss) |  | $ | (65 | ) |  | $ | 138 |
Schedule of Realized Gain (Loss) [Table Text Block] |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | (in thousands) |
Realized gains |  |  |  |  |  |  |  |  |  |  |  |
Sale proceeds |  | $ | 1,550 |  |  | $ | 1,500 |  |  | $ | 1,720 |
Cost of securities sold |  |  | 547 |  |  |  | 434 |  |  |  | 818 |
Realized gains |  | $ | 1,003 |  |  | $ | 1,066 |  |  | $ | 902 |
Realized gains, net of taxes |  | $ | 627 |  |  | $ | 654 |  |  | $ | 546 |

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of realized gains and losses on investments reported in the statement of income. + References No definition available. + Details
Name: | us-gaap_RealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
Name: | us-gaap_ScheduleOfRealizedGainLossTableTextBlock
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

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration