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Note 15 - Segment Reporting (Details) - Segment Information (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |  |
Assets | $ 39,141,639 |  | $ 42,525,261 |
Revenue | 17,883,927 |  | 22,157,737 |
Interest Expense | 163,738 |  | 204,874 |
Depreciation and amortization | 646,422 | [1] | 515,215 | [1]
Capital expenditures | 2,071,557 |  | 11,796,740 |
Pretax (loss)/earnings | (1,956,730) |  | 400,092 |
CVD [Member] | Operating Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Assets | 39,783,689 |  | 43,872,295 |
Revenue | 13,136,083 |  | 19,149,704 |
Interest Expense | 162,914 |  | 195,861 |
Depreciation and amortization | 571,046 |  | 442,227 |
Capital expenditures | 1,954,621 |  | 11,767,024 |
Pretax (loss)/earnings | (2,697,114) |  | (18,722) |
SDC [Member] | Operating Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Assets | 6,334,352 |  | 4,628,432 |
Revenue | 5,155,641 |  | 4,394,945 |
Interest Expense | 824 |  | 9,013 |
Depreciation and amortization | 75,376 |  | 72,988 |
Capital expenditures | 116,936 |  | 29,716 |
Pretax (loss)/earnings | 740,384 |  | 418,814 |
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Assets | (6,976,402) |  | (5,975,466) |
Revenue | $ (407,797) |  | $ (1,386,912) |
[1] | Includes amortization expense of $20,434 and $14,096 for the years ending December 31, 2013 and 2012, respectively. Such amortization expense relates toother capitalized and intangible assets.

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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