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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Accounts receivable, allowance for sales returns and doubtful accounts	$ 417,000	$ 354,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	20,000,000	20,000,000
Common stock, issued	12,013,952	12,365,690
Common stock, outstanding	11,796,774	12,075,764

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Allowance For Doubtful Accounts Receivable And Sales Returns Current

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Face amount or stated value per share of common stock.

+ References

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-Publisher FASB
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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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