Attached files

file filename
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R10.htm
EXCEL - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.Financial_Report.xls
10-Q - FORM 10-Q - National American University Holdings, Inc.d379549d10q.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R8.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R1.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R5.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R7.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R9.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R6.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R3.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R2.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R4.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R12.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R26.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R22.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R13.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R11.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R24.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R23.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R21.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R33.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R30.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R34.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R17.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R35.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R29.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R31.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R36.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R14.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R32.htm
EX-31.1 - EX-31.1 - National American University Holdings, Inc.d379549dex311.htm
EX-32.2 - EX-32.2 - National American University Holdings, Inc.d379549dex322.htm
EX-31.2 - EX-31.2 - National American University Holdings, Inc.d379549dex312.htm
EX-32.1 - EX-32.1 - National American University Holdings, Inc.d379549dex321.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R27.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R20.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R25.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R19.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R15.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R18.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R37.htm
XML - IDEA: XBRL DOCUMENT - National American University Holdings, Inc.R16.htm
v2.4.0.6
Stockholders Equity (Details 1) (USD $)
3 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Stock options issued    
Expected term (in years) 5 years 11 months 27 days 6 years 0 months 0 days
Expected volatility 61.20% 50.00%
Weighted average risk free interest rate 0.85% 1.22%
Weighted average risk free interest rate range Maximum 0.85% 1.22%
Weighted average risk free interest rate range Minimum 0.80%  
Weighted average expected dividend 2.87% 1.13%
Weighted average fair value $ 2.01 $ 4.56
Maximum [Member]
   
Stock options issued    
Weighted average expected dividend 2.87% 1.13%