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Prepaid Expenses and Other Current Assets (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2013
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Jun. 30, 2012
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|---|---|---|---|---|---|---|---|---|
| Total prepaid expenses and other current assets | $ 1,214 | $ 925 | ||||||
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Prepaid expenses - Fraunhofer - semi-annual TTA payments [Member]
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| Total prepaid expenses and other current assets | 1,000 | [1] | 667 | [2] | ||||
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Prepaid expenses - Fraunhofer - other R&D projects [Member]
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| Total prepaid expenses and other current assets | 106 | 0 | ||||||
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Other prepaid expenses [Member]
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| Total prepaid expenses and other current assets | 77 | 74 | ||||||
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Other receivables - Fraunhofer - reimbursable patent costs [Member]
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| Total prepaid expenses and other current assets | 0 | 179 | [2] | |||||
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Other current assets [Member]
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| Total prepaid expenses and other current assets | $ 31 | $ 5 | ||||||
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