Shareholders' Equity (Common Stock Offering) (Details) (USD $)
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0 Months Ended | 12 Months Ended | 0 Months Ended | |||||||||||||||||||||||||||||||||
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Jul. 13, 2012
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Dec. 07, 2011
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Oct. 19, 2011
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2011
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Dec. 07, 2011
Maximum [Member]
Over-Allotment Option [Member]
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Oct. 19, 2011
Common Stock Purchaser Warrants [Member]
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Jun. 30, 2013
Common Stock Purchaser Warrants [Member]
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Mar. 31, 2013
Common Stock Purchaser Warrants [Member]
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Dec. 31, 2012
Common Stock Purchaser Warrants [Member]
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Sep. 30, 2012
Common Stock Purchaser Warrants [Member]
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Jun. 30, 2012
Common Stock Purchaser Warrants [Member]
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Mar. 31, 2012
Common Stock Purchaser Warrants [Member]
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Dec. 31, 2011
Common Stock Purchaser Warrants [Member]
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Dec. 07, 2011
Over Allotment Option Warrants [Member]
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Dec. 07, 2011
Over Allotment Option Warrants [Member]
Maximum [Member]
Over-Allotment Option [Member]
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Class of Stock [Line Items] | ||||||||||||||||||||||||||||||||||||
Sale of common stock | 3,626,943 | 317,988 | 2,500,000 | 1,027,173 | ||||||||||||||||||||||||||||||||
Common stock, par value per share | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | ||||||||||||||||||||||||||||||||
Stock issued, price per share | $ 0.965 | $ 0.92 | ||||||||||||||||||||||||||||||||||
Warrants issued, exercise price | 1.38 | [1] | 1.38 | [1] | 3.69 | [1] | 1.058 | 1.049 | 1.049 | 1.049 | 1.049 | 1.058 | 1.058 | 1.058 | ||||||||||||||||||||||
Warrant term | 5 years | |||||||||||||||||||||||||||||||||||
Number of warrants | 713,601 | 1,957,033 | 1,959,799 | 3,819,185 | 650,003 | [2] | 650,003 | [2] | 650,003 | [2] | 650,003 | [2] | 650,003 | [2] | 650,003 | [2] | 650,003 | [2] | 650,003 | [2] | 63,598 | 205,435 | ||||||||||||||
Gross cash proceeds | $ 292,549 | $ 2,300,000 | $ 2,592,549 | |||||||||||||||||||||||||||||||||
Underwriting costs | (15,696) | [3] | (140,087) | [3] | (155,783) | [3] | ||||||||||||||||||||||||||||||
Legal costs | (14,230) | (100,050) | (114,280) | |||||||||||||||||||||||||||||||||
Other costs | (1,500) | (46,500) | (48,000) | |||||||||||||||||||||||||||||||||
Net cash proceeds | $ 3,291,977 | $ 261,123 | $ 2,013,363 | $ 3,291,977 | $ 2,274,486 | |||||||||||||||||||||||||||||||
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