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v3.3.1.900

Stock Options (Schedule Of Stock Options Outstanding And Exercisable) (Details) - $ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 6.10 | $ 5.70 | $ 5.90 | $ 6.10
Options Outstanding | 45,625 | 90,025 | 87,025 | 137,225
Options Exercisable | 45,625 |  |  |
$10.08 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 10.80 |  |  |
Options Outstanding | 5,000 |  |  |
Weighted Average Remaining Contractual Life | 3 months 18 days |  |  |
Options Exercisable | 5,000 |  |  |
$11.60 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 11.60 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 3 months 18 days |  |  |
Options Exercisable | 1,875 |  |  |
$8.40 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 8.40 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 6 months |  |  |
Options Exercisable | 1,875 |  |  |
$7.20 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 7.20 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 9 months 18 days |  |  |
Options Exercisable | 1,875 |  |  |
$7.50 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 7.50 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 1 year |  |  |
Options Exercisable | 1,875 |  |  |
$10.70 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 10.70 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 1 year 3 months 18 days |  |  |
Options Exercisable | 1,875 |  |  |
$8.10 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 8.10 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 1 year 6 months |  |  |
Options Exercisable | 1,875 |  |  |
$7.30 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 7.30 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 1 year 9 months 18 days |  |  |
Options Exercisable | 1,875 |  |  |
$6.40 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 6.40 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 2 years |  |  |
Options Exercisable | 1,875 |  |  |
$6.20 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 6.20 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 2 years 2 months 12 days |  |  |
Options Exercisable | 1,875 |  |  |
$4.80 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 4.80 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 2 years 6 months |  |  |
Options Exercisable | 1,875 |  |  |
$4.10 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 4.10 |  |  |
Options Outstanding | 1,875 |  |  |
Weighted Average Remaining Contractual Life | 2 years 9 months 18 days |  |  |
Options Exercisable | 1,875 |  |  |
$4.10 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 4.10 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 3 years |  |  |
Options Exercisable | 2,500 |  |  |
$4.80 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 4.80 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 3 years 2 months 12 days |  |  |
Options Exercisable | 2,500 |  |  |
$4.40 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 4.40 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 3 years 6 months |  |  |
Options Exercisable | 2,500 |  |  |
$4.40 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 4.40 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 3 years 9 months 18 days |  |  |
Options Exercisable | 2,500 |  |  |
$2.50 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 2.50 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 4 years |  |  |
Options Exercisable | 2,500 |  |  |
$2.30 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 2.30 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 4 years 2 months 12 days |  |  |
Options Exercisable | 2,500 |  |  |
$2.70 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 2.70 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 4 years 6 months |  |  |
Options Exercisable | 2,500 |  |  |
$2.20 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 2.20 |  |  |
Options Outstanding | 2,500 |  |  |
Weighted Average Remaining Contractual Life | 4 years 9 months 18 days |  |  |
Options Exercisable | 2,500 |  |  |
$2.50 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 2.50 |  |  |
$2.30 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Exercise Price | $ 2.30 |  |  |

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