XML 50 R29.htm IDEA: XBRL DOCUMENT
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Patents (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items] |  |
Schedule of patents |  |
|  | June 30, |
|  | 2017 |  |  | 2016 |
Patents |  | $ | 880,000 |  |  | $ | 880,000 |
Less accumulated amortization |  |  | (609,000 | ) |  |  | (583,000 | )
Patents, net |  | $ | 271,000 |  |  | $ | 297,000 |
Schedule of amortization expense |  |
|  | Year Ended June 30, |
|  | 2017 |  |  | 2016 |
Amortization expense |  | $ | 26,000 |  |  | $ | 332,000 |
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Schedule of patents |
|  | As of December 31, |  |  | As of June 30, |
|  | 2017 |  |  | 2017 |
Patents |  | $ | 380,000 |  |  | $ | 380,000 |
Less accumulated amortization |  |  | (121,000 | ) |  |  | (109,000 | )
Patents, net |  | $ | 259,000 |  |  | $ | 271,000
Schedule of amortization expense |
|  | Three Months Ended December 31, |  |  | Six Months Ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Amortization expense |  | $ | 6,000 |  |  | $ | 6,000 |  |  | $ | 12,000 |  |  | $ | 13,000

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