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Commitments and Contingencies (Narrative) (Details) (USD $)
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1 Months Ended | 4 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||||||||||||||||
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Nov. 30, 2013
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Apr. 30, 2013
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Apr. 30, 2012
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Apr. 30, 2014
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Apr. 30, 2013
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Dec. 31, 2012
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Jul. 31, 2014
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Feb. 28, 2013
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Sep. 30, 2012
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Aug. 31, 2012
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Apr. 30, 2014
Common Stock [Member]
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Dec. 31, 2012
Common Stock [Member]
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Feb. 28, 2013
Warrant [Member]
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Dec. 30, 2012
Warrant [Member]
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Oct. 31, 2012
Warrant [Member]
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Apr. 30, 2014
Warrant [Member]
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Jun. 30, 2013
Firm One [Member]
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Oct. 31, 2012
Firm One [Member]
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Oct. 31, 2012
Firm One [Member]
Common Stock [Member]
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Jul. 31, 2013
Firm Two [Member]
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Oct. 31, 2012
Firm Two [Member]
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Oct. 31, 2012
Firm Two [Member]
Common Stock [Member]
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Oct. 31, 2012
Firm Two [Member]
Warrant [Member]
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Apr. 30, 2014
New York, New York [Member]
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Apr. 30, 2014
Dieppe, NB, Canada [Member]
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Jan. 31, 2009
Denver, Colorado [Member]
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Sep. 30, 2008
Denver, Colorado [Member]
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Feb. 28, 2013
Scottsdale, Arizona [Member]
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Oct. 31, 2012
Scottsdale, Arizona [Member]
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Jul. 31, 2014
Line of Credit [Member]
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Apr. 30, 2014
Line of Credit [Member]
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Apr. 30, 2013
Line of Credit [Member]
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Jan. 31, 2014
Letter of Credit [Member]
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| Line of Credit Facility [Line Items] | |||||||||||||||||||||||||||||||||
| Line of credit, maximum borrowing capacity | $ 250,000 | $ 250,000 | |||||||||||||||||||||||||||||||
| LIBOR spread | 0.50% | 0.50% | |||||||||||||||||||||||||||||||
| Line of credit, interest rate at period end | 3.75% | 3.75% | |||||||||||||||||||||||||||||||
| Payment period | 5 years | 5 years | |||||||||||||||||||||||||||||||
| Line of credit, outstanding | 250,000 | 244,175 | 250,000 | 244,028 | 244,028 | 244,175 | 250,000 | 1,696,445 | |||||||||||||||||||||||||
| Line of credit, remaining available | 5,972 | 5,825 | 848,225 | ||||||||||||||||||||||||||||||
| Operating Leased Assets [Line Items] | |||||||||||||||||||||||||||||||||
| Monthly rent payments | 3,816 | 1,675 | 6,526 | ||||||||||||||||||||||||||||||
| Lease term | 7 years | 3 years | |||||||||||||||||||||||||||||||
| Monthly rent annual escalation rate | 2.50% | ||||||||||||||||||||||||||||||||
| Monthly rent payments for months four through twelve | 4,491 | ||||||||||||||||||||||||||||||||
| Monthly rent payments for second year | 12,601 | ||||||||||||||||||||||||||||||||
| Monthly rent payments for third year | 4,710 | ||||||||||||||||||||||||||||||||
| Rent expense | 64,724 | 44,828 | 210,977 | 140,783 | |||||||||||||||||||||||||||||
| Annual performance bonus, minimum | 50.00% | 50.00% | |||||||||||||||||||||||||||||||
| Annual performance bonus, maximum | 100.00% | 100.00% | |||||||||||||||||||||||||||||||
| Accrued bonuses | |||||||||||||||||||||||||||||||||
| Consulting Agreement Investor Relations Firm [Line Items] | |||||||||||||||||||||||||||||||||
| Periodic payment | 50,000 | 5,000 | |||||||||||||||||||||||||||||||
| Frequency of periodic payment | Annually | Monthly | |||||||||||||||||||||||||||||||
| Term of agreement | 2 years | 6 months | 1 year | ||||||||||||||||||||||||||||||
| Issuance of common shares for services | 216,000 | 70,000 | 617 | 200 | 111,000 | 70,000 | 105,000 | ||||||||||||||||||||||||||
| Issuance of common shares for services, shares | 617,143 | 200,000 | 317,143 | 200,000 | 300,000 | ||||||||||||||||||||||||||||
| Issuance of common shares and warrants for services | 43,000 | 100 | 43,000 | 8,000 | |||||||||||||||||||||||||||||
| Issuance of common shares and warrants for services, shares | 100,000 | 100,000 | 100,000 | ||||||||||||||||||||||||||||||
| Exercise price of warrants | $ 0.50 | $ 0.50 | $ 0.50 | $ 0.3325 | $ 1.00 | $ 0.50 | $ 0.35 | $ 0.50 | $ 0.3325 | $ 0.60 | |||||||||||||||||||||||
| Expiration period | 5 years | 5 years | 5 years | 5 years | |||||||||||||||||||||||||||||
| Possible estimated loss due to unauthorized borrowing | 2,200,000 | ||||||||||||||||||||||||||||||||
| Title IV Funds received as a percentage of revenue | 26.00% | ||||||||||||||||||||||||||||||||
| Remittance of Title IV funds to the Department of Education due to students ineligibility to receive the funds | $ 102,810 | ||||||||||||||||||||||||||||||||