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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2015
Notes to Financial Statements |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | Schedule II - Valuation and Qualifying Accounts Allowance for Doubtful Accounts (Deducted from Accounts Receivable)
|  | 2015 |  |  | 2014 |  |  | 2013 |
Balance at January 1 |  | $ | 25,000 |  |  | $ | 25,000 |  |  | $ | 25,000 |
(Deductions from)/charges to costs and expenses |  |  | 50,000 |  |  |  | - |  |  |  | - |
Deductions from reserves |  |  |  |  |  |  |  |  |  |  |  |
|  |  | - |  |  |  | - |  |  |  | - |
Balance at December 31, |  | $ | 75,000 |  |  | $ | 25,000 |  |  | $ | 25,000 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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