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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of estimated useful lives of property, plant and equipment |
Production equipment |  | 3 to 13 years |
Office furniture and equipment |  | 3 to 10 years |
Buildings |  | 39 years |
Building improvements |  | 15 years |
Automobiles |  | 7 years |
Schedule of significant customers |
|  | Years Ended December 31, |
|  | 2012 |  | 2011 |  | 2010 |
Number of significant customers |  | 3 |  | 4 |  | 3 |
Aggregate dollar amount of net sales to significant customers |  | $13.7 million |  | $16.2 million |  | $13.9 million |
Percentage of net sales to significant customers |  | 40.6% |  | 50.6% |  | 38.6% |
Schedule of earnings per share |
|  | Years Ended December 31, |
|  | 2012 |  |  | 2011 |  | 2010 |
Net income (loss) | $ | (4,132,892 | ) | $ | 1,418,482 | $ | 2,400,694 |
Preferred dividend requirements |  | (918,108 | ) |  | (964,047 | ) | (1,370,620 | )
Effect of dilutive securities: |  |  |  |  |  |  |  |
Convertible debt interest and loan fees |  | — |  |  | (10,120 | ) | — |
Earnings (loss) available to common shareholders after assumed conversions | $ | (5,051,000 | ) | $ | 444,315 | $ | 1,030,074 |
Average common shares outstanding |  | 26,219,728 |  |  | 24,171,238 |  | 23,872,783 |
Dilutive stock equivalents from stock options |  | — |  |  | 2,101,825 |  | 2,376,091 |
Shares issuable upon conversion of convertible debt |  | — |  |  | 81,723 |  | — |
Average common and common equivalent shares outstanding - assuming dilution |  | 26,219,728 |  |  | 26,354,786 |  | 26,248,874 |
Basic earnings per share | $ | (0.19 | ) | $ | 0.02 | $ | 0.04 |
Diluted earnings per share | $ | (0.19 | ) | $ | 0.02 | $ | 0.04 |
Schedule of share-based compensation costs |
|  | Years Ended December 31, |
|  | 2012 |  | 2011 |  | 2010 |
Cost of sales | $ | — | $ | — | $ | 182,892 |
Sales and marketing |  | — |  | — |  | 78,343 |
Research and development |  | — |  | — |  | 28,259 |
General and administrative |  | — |  | — |  | 1,050,806 |
| $ | — | $ | — | $ | 1,340,300 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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