XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.19.1

Note O - Stock Options (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Notes Tables |
Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Number of Options |  |  | Weighted average |  |  | Weighted average remaining |  |  | Aggregate |
|  | 2004 Plan |  |  | 2015 Plan |  |  | Non Plan |  |  | Total |  |  | exercise price |  |  | life (in years) |  |  | intrinsic value |
Outstanding, as of December 31, 2016 |  |  | 69,380 |  |  |  | 25,003 |  |  |  | 247,280 |  |  |  | 341,663 |  |  | $ | 3.99 |  |  |  |  |  |  |  |  |
Granted |  |  | — |  |  |  | 64,167 |  |  |  | 1,170,000 |  |  |  | 1,234,167 |  |  |  | 2.69 |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  | (4,167 | ) |  |  | (4,167 | ) |  |  | 2.16 |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | (7,084 | ) |  |  | (65,140 | ) |  |  | (72,224 | ) |  |  | 2.62 |  |  |  |  |  |  |  |  |
Expired |  |  | (17,084 | ) |  |  | — |  |  |  | (4,862 | ) |  |  | (21,946 | ) |  |  | 8.86 |  |  |  |  |  |  |  |  |
Outstanding, as of December 31, 2017 |  |  | 52,296 |  |  |  | 82,086 |  |  |  | 1,343,111 |  |  |  | 1,477,493 |  |  | $ | 2.91 |  |  |  | 5.64 |  |  | $ | 0 |
Granted |  |  | — |  |  |  | 351,918 |  |  |  | — |  |  |  | 351,918 |  |  |  | 1.97 |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | (38,613 | ) |  |  | (111,253 | ) |  |  | (149,866 | ) |  |  | 2.63 |  |  |  |  |  |  |  |  |
Expired |  |  | (18,961 | ) |  |  | (13,473 | ) |  |  | (59,097 | ) |  |  | (91,531 | ) |  |  | 3.03 |  |  |  |  |  |  |  |  |
Outstanding, as of December 31, 2018 |  |  | 33,335 |  |  |  | 3 81 ,918 |  |  |  | 1,1 72 ,761 |  |  |  | 1, 588,014 |  |  | $ | 2. 7 2 |  |  |  | 5.00 |  |  | $ | 0 |
Vested or expected to vest at December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1, 321,981 |  |  | $ | 2. 79 |  |  |  | 4. 8 3 |  |  | $ | 0 |
Exercisable at December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 593,573 |  |  | $ | 3. 17 |  |  |  | 3.94 |  |  | $ | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] |
|  |  |  |  |  | Options Outstanding |  |  | Options Exercisable |
Range of exercise prices |  |  | Number of shares |  |  | Weighted average exercise price |  |  | Weighted average remaining life (in years) |  |  | Number exercisable |  |  | Weighted average exercise price |
$ | 1.83 | - | 2.50 |  |  |  | 413,843 |  |  | $ | 2.01 |  |  |  | 5.88 |  |  |  | 81,230 |  |  | $ | 2.15 |
| 2.51 | - | 3.50 |  |  |  | 1,000,415 |  |  |  | 2.69 |  |  |  | 5.23 |  |  |  | 338,587 |  |  |  | 2.69 |
| 3.51 | - | 4.92 |  |  |  | 173,756 |  |  |  | 4.58 |  |  |  | 1.76 |  |  |  | 173,756 |  |  |  | 4.58 |
$ | 1.83 | - | 4.92 |  |  |  | 1,588,014 |  |  |  |  |  |  |  |  |  |  |  | 593,573 |  |  |  |  |

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock
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