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Significant Accounting Policies (Detail Textuals) | 12 Months Ended
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Dec. 31, 2016 $ / shares shares | Dec. 31, 2015 Customer $ / shares shares | Dec. 31, 2014 $ / shares
Significant Accounting Policies [Line Items] |  |  |
Common stock, shares authorized (in shares) | shares | 349,000,000 | 349,000,000 |
Common stock, par value (in dollars per share) | $ 0.10 | $ 0.10 |
Number of votes each common shareholders entitled to provide | one vote |  |
Preferred Stock, shares authorized (in shares) | shares | 1,000,000 | 1,000,000 |
Preferred stock, par value (in dollars per share) | $ 0.10 | $ 0.10 |
Cash dividends paid (in dollars per share) | $ 0.050 | $ 0.155 | $ 0.420
Customer concentration risk | Revenue |  |  |
Significant Accounting Policies [Line Items] |  |  |
Number of customer | Customer |  | 1 |
Description of customers accounted for concentration of credit risk | no customers that accounted for more than 10 percent of the Company's revenues | one customer accounted for approximately 23 percent of revenues | no customers that accounted for more than 10 percent of the Company's revenues
Customer concentration risk benchmark percentage | 10 | 23 | 10
Customer concentration risk | Accounts receivable |  |  |
Significant Accounting Policies [Line Items] |  |  |
Number of customer | Customer |  | 1 |
Description of customers accounted for concentration of credit risk | no customers that accounted for more than 10 percent of accounts receivable | one customer accounted for approximately 14 percent of accounts receivable |
Customer concentration risk benchmark percentage | 10 | 14 |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Face amount or stated value per share of common stock. + References Reference 1: 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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- Definition Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 + Details
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