Legal Contingencies (Details) (USD $)	1 Months Ended			1 Months Ended	3 Months Ended	1 Months Ended					6 Months Ended		1 Months Ended
	Aug. 31, 2012 Tampa Bay Nutraceutical Company [Member]	Sep. 30, 2007 Tampa Bay Nutraceutical Company [Member]	Aug. 31, 2012 Payment received from the parent company of Delta-T [Member]	Oct. 31, 2012 Amount of claim of indebt [Member]	Jul. 31, 2012 Amount Included in Cost of Revenue [Member]	Apr. 30, 2009 Delta-T Corporation [Member]	Jan. 31, 2009 Delta-T Corporation [Member]	Dec. 31, 2011 GPS [Member]	Apr. 30, 2009 GPS [Member]	Jan. 31, 2009 GPS [Member]	Jul. 31, 2013 GPS [Member]	Aug. 31, 2012 GPS [Member]	Jan. 31, 2009 GPS [Member] Procurement and Construction Services Related to Nebraska Project [Member]	Mar. 31, 2008 GPS [Member] Procurement and Construction Services Related to Nebraska Project [Member]	May 31, 2013 GPS [Member] ACCO Dispute [Member]	Nov. 30, 2012 GPS [Member] ACCO Dispute [Member]	Jul. 31, 2013 Vitarich Laboratories Inc [Member] Tampa Bay Nutraceutical Company [Member]
Legal Contingencies (Textual) [Abstract]
Amount owed at the time of termination of contract																$ 663,000
Claims sought by ACCO subcontract		42,000,000													7,742,000
ACCO subcontract served lien and stop payment notice filed value each															7,592,000
GPS mechanics lien against Nebraska project				1,800,000										23,800,000
Net processed held by the bankruptcy court											5,500,000
Settlement payment made by GPS to Delta-T under the project close-out agreement										3,500,000
Assignment to GPS of first receipts of Delta-T							3,500,000
Amount of lien rights assigned by Delta-T to GPS													21,200,000
Arbitration award in favor of DCR against Delta-T						6,800,000
Amended amount of complaint filed against surety bonding company by DCR									6,800,000
Damages sought by DCR from GPS								$6.1 million plus interest, costs and attorney fees
Lawsuit Filing Dates		September, 2007				April, 2009		December, 2011
Total payment made			275,000									1,875,000
Amount included in cost of revenue					1,600,000
Provision for loss											0
Allegations by Tampa Bay		Tampa Bay alleges compensatory damages in excess of $42 million
Award sanctioned by court to VLI	295,000
Reserve in financial statements for expected litigation costs																	$ 1,300,000