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Shareholders' Equity (Details 2) - Stock Option [Member] | 12 Months Ended
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Dec. 31, 2015 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding | 238,894
Weighted average remaining contractual life (years) | 3 years 5 months 12 days
Options exercisable | 88,766
Weighted average Remaining Contractual life of options exercisable (years) | 2 years 5 months 9 days
2.237 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 2.237
Options outstanding | 26,625
Weighted average remaining contractual life (years) | 4 years 9 months 22 days
Options exercisable |
Weighted average Remaining Contractual life of options exercisable (years) | 0 years
2.96 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 2.96
Options outstanding | 83,000
Weighted average remaining contractual life (years) | 4 years 3 months 18 days
Options exercisable |
Weighted average Remaining Contractual life of options exercisable (years) | 0 years
3.23 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 3.23
Options outstanding | 375
Weighted average remaining contractual life (years) | 1 year 1 month 21 days
Options exercisable | 375
Weighted average Remaining Contractual life of options exercisable (years) | 1 year 1 month 21 days
3.40 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 3.40
Options outstanding | 375
Weighted average remaining contractual life (years) | 11 months 19 days
Options exercisable | 375
Weighted average Remaining Contractual life of options exercisable (years) | 11 months 19 days
3.88 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 3.88
Options outstanding | 375
Weighted average remaining contractual life (years) | 3 years 10 months 17 days
Options exercisable | 125
Weighted average Remaining Contractual life of options exercisable (years) | 3 years 10 months 17 days
3.88 One [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 3.88
Options outstanding | 90,000
Weighted average remaining contractual life (years) | 2 years 10 months 6 days
Options exercisable | 59,999
Weighted average Remaining Contractual life of options exercisable (years) | 2 years 10 months 6 days
4.02 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 4.02
Options outstanding | 5,000
Weighted average remaining contractual life (years) | 3 years 6 months 18 days
Options exercisable | 1,666
Weighted average Remaining Contractual life of options exercisable (years) | 3 years 6 months 18 days
6.67 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 6.67
Options outstanding | 10,000
Weighted average remaining contractual life (years) | 3 years 3 months 11 days
Options exercisable | 3,332
Weighted average Remaining Contractual life of options exercisable (years) | 3 years 3 months 11 days
6.67 One [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 6.67
Options outstanding | 375
Weighted average remaining contractual life (years) | 3 years 3 months 11 days
Options exercisable | 125
Weighted average Remaining Contractual life of options exercisable (years) | 3 years 3 months 11 days
8.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 8.00
Options outstanding | 5,749
Weighted average remaining contractual life (years) | 3 months
Options exercisable | 5,749
Weighted average Remaining Contractual life of options exercisable (years) | 3 months
33.60 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 33.60
Options outstanding | 3,750
Weighted average remaining contractual life (years) | 2 years 2 months 27 days
Options exercisable | 3,750
Weighted average Remaining Contractual life of options exercisable (years) | 2 years 2 months 27 days
50.40 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 50.40
Options outstanding | 13,170
Weighted average remaining contractual life (years) | 1 year 3 months 22 days
Options exercisable | 13,170
Weighted average Remaining Contractual life of options exercisable (years) | 1 year 3 months 22 days
60.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price | $ / shares | $ 60.00
Options outstanding | 100
Weighted average remaining contractual life (years) | 2 months 27 days
Options exercisable | 100
Weighted average Remaining Contractual life of options exercisable (years) | 2 months 27 days

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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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