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Subsequent Events - Additional Information (Detail) (Subsequent Event [Member], Deer Valley Corporation, Common Stock Purchase Agreement [Member], USD $)
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0 Months Ended |
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Oct. 06, 2014
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| Subsequent Event [Line Items] | |
| Closing date of stock purchase agreement | Oct. 06, 2014 |
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Peerless Systems Corporation [Member]
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| Subsequent Event [Line Items] | |
| Common stock purchased, percentage | 80.00% |
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Peerless Systems Corporation [Member]
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| Subsequent Event [Line Items] | |
| Shares issued | 126,000 |
| Shares issued, value | $ 81,900 |
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Peerless Systems Corporation [Member] | Vicis Capital, LLC [Member]
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| Subsequent Event [Line Items] | |
| Shares issued | 12,310,458 |
| Shares issued, value | $ 3,600,000 |