| Balance Sheet Information (Components Of Inventory) (Details) - USD ($) | Dec. 31, 2018 | Sep. 30, 2018 | 
|---|---|---|
| Inventory [Line Items] | ||
| Inventory, net | $ 2,698,306 | $ 2,302,030 | 
| FC2 [Member] | ||
| Inventory [Line Items] | ||
| Raw material | 491,617 | 366,220 | 
| Work in process | 51,944 | 77,669 | 
| Finished goods | 2,550,032 | 2,232,864 | 
| Inventory, gross | 3,093,593 | 2,676,753 | 
| Less: inventory reserves | (397,635) | (391,861) | 
| Inventory, net | 2,695,958 | 2,284,892 | 
| PREBOOST [Member] | ||
| Inventory [Line Items] | ||
| Finished goods | $ 2,348 | $ 17,138 | 
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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of valuation reserve for inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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