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STATEMENTS OF CASH FLOWS (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities: |  |  |
Net income (loss) | $ (4,132,892) | $ 1,418,482 | $ 2,400,694
Adjustments to reconcile net income (loss) to net cash provided by (used by) operating activities: |  |  |
Depreciation and amortization | 1,335,858 | 1,311,746 | 1,516,226
Litigation settlement - marketing fees payable |  |  | (1,419,760)
Stock option compensation |  |  | 1,340,300
Provision for inventory valuation | 120,000 | 52,835 |
Reserve for non-contractual deductions |  |  | 850,000
Provision for doubtful accounts | 107,246 | 1,298,044 | 133,990
Impairment of assets |  |  | 365,295
Accreted interest | 3,773 | 17,610 | 30,920
(Increase) decrease in assets: |  |  |
Inventories | 1,127,166 | 2,391,937 | (1,774,822)
Accounts receivable | (66,867) | 1,305,379 | 2,650,567
Income taxes receivable | 30,054 | (27,454) | 3,643,606
Other current assets | (565,231) | 462,715 | (56,851)
Increase (decrease) in liabilities: |  |  |
Accounts payable | 1,441,308 | 1,054,563 | (4,417,753)
Accrued liabilities, other | 787,393 | (3,646,555) | 3,313,260
Income taxes payable | (29,471) | (125,529) | 155,000
Net cash provided by operating activities | 158,337 | 5,513,773 | 8,730,672
Cash flows from investing activities: |  |  |
Purchase of property, plant, and equipment | (510,117) | (826,091) | (169,415)
Net cash used by investing activities | (510,117) | (826,091) | (169,415)
Cash flows from financing activities: |  |  |
Repayments of long-term debt and notes payable | (626,219) | (612,927) | (2,660,336)
Repurchase of Preferred Stock | (1,357,275) | (1,357,275) |
Proceeds from the exercise of stock options | 1,620,701 | 54,369 | 115,600
Repurchase of Common Stock | (122,202) |  |
Payment of Preferred Stock dividends | (230,450) | (364,625) | (876,566)
Net cash provided (used) by financing activities | 641,830 | (2,280,458) | (3,421,302)
Net increase in cash and cash equivalents | 290,050 | 2,407,224 | 5,139,955
Cash and cash equivalents at: |  |  |
Beginning of period | 25,673,263 | 23,266,039 | 18,126,084
End of period | 25,963,313 | 25,673,263 | 23,266,039
Supplemental schedule of cash flow information: |  |  |
Interest paid | 264,033 | 279,691 | 321,610
Income taxes paid | 3,474 | 188,754 | 16,000
Supplemental schedule of noncash investing and financing activities: |  |  |
Preferred dividends declared, not paid | 57,613 |  |
Debt assumed for the purchase of molding machines |  | $ 534,986 |

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