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CONDENSED STATEMENTS OF CASH FLOWS (USD $)
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Cash flows from operating activities    
Net loss $ (4,788,653) $ (1,592,020)
Adjustments to reconcile net loss to net cash provided by (used by) operating activities:    
Depreciation and amortization 957,090 986,761
Share based compensation 52,775  
Provision for doubtful accounts 50,000 30,854
Provision for inventory valuation   90,000
Gain on disposal of assets (1,000)  
Accreted interest   3,773
(Increase) decrease in assets:    
Inventories (1,122,194) 1,201,385
Accounts receivable (1,167,368) (1,675,218)
Income taxes receivable   (39,849)
Other current assets 460,253 (454,412)
Increase (decrease) in liabilities:    
Accounts payable 101,609 (761,912)
Litigation proceeds subject to stipulation 7,724,826  
Other accrued liabilities 527,466 1,009,720
Income taxes payable 63,328 (1,174)
Net cash provided by (used by) operating activities 2,858,132 (1,202,092)
Cash flows from investing activities    
Purchase of property, plant, and equipment (204,514) (282,560)
Proceeds from sale of assets 1,000  
Net cash used by investing activities (203,514) (282,560)
Cash flows from financing activities    
Repayments of long-term debt and notes payable (236,255) (543,293)
Proceeds from the exercise of stock options 37,325 1,620,000
Repurchase of Common Stock (974,407) (83,792)
Payment of Preferred Stock dividends (172,839) (172,838)
Net cash provided by (used by) financing activities (1,346,176) 820,077
Net increase (decrease) in cash and cash equivalents 1,308,442 (664,575)
Cash and cash equivalents at:    
Beginning of period 25,963,313 25,673,263
End of period 27,271,755 25,008,688
Supplemental schedule of cash flow information:    
Interest paid 182,711 207,571
Income taxes paid 7,988 71,328
Supplemental schedule of noncash investing and financing activities:    
Preferred dividends declared, not paid   $ 57,613