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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2015
Summary of Significant Accounting Policies |
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis |
|  |  |  | Fair Value Measurements Using |
|  | Total Carrying Value at December 31 |  | Quoted Prices in Active Markests (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |
Assets as of December 31, 2015: |  |  |  |  |  |  |  |  |
Available-for-sale securities |  | 9,490,000 |  | — |  | 9,490,000 |  | — |
Assets as of December 31, 2014: |  |  |  |  |  |  |  |  |
Available-for-sale securities |  | 9,698,000 |  | — |  | 9,698,000 |  | — |
Schedule Of Allowance For Doubtful Accounts |
December 31 |  | 2015 |  | 2014 |
Beginning balance |  | $ | 89,000 |  | $ | 17,000 |
Bad debt provision |  | (5,000 | ) | 72,000 |
Accounts written-off |  | (5,000 | ) | — |
Ending balance |  | $ | 79,000 |  | $ | 89,000 |
Schedule Of Inventories |
December 31 |  | 2015 |  | 2014 |
Raw materials |  | $ | 69,000 |  | $ | 110,000 |
Work-in-process |  | 4,000 |  | 8,000 |
Finished goods |  | 318,000 |  | 405,000 |
|  | $ | 391,000 |  | $ | 523,000 |
Schedule Of Estimated Useful Lives |
Production tooling, machinery and equipment |  | 1 - 6 years |
Office furniture and fixtures |  | 3 years |
Computer equipment and software |  | 3 years |
Web development |  | 3 years |
Schedule Of Weighted Average Common Shares Outstanding |
Year ended December 31 |  | 2015 |  | 2014 |
Denominator for basic net income per share - weighted average shares |  | 12,044,000 |  | 12,635,000 |
Effect of dilutive securities: |  |  |  |  |
Stock options and restricted stock units |  | 172,000 |  | 238,000 |
Denominator for diluted net income per share - weighted average shares |  | 12,216,000 |  | 12,873,000 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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