Related Party Transactions - Additional Information (Detail) (USD $)	1 Months Ended						12 Months Ended		7 Months Ended	12 Months Ended		7 Months Ended	12 Months Ended	7 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Feb. 28, 2011	Jan. 31, 2011	Jun. 30, 2010	Mar. 31, 2014	Aug. 31, 2012	Mar. 02, 2010	Mar. 31, 2014 Amount owed from Emerson to Brighton Marketing Limited	Mar. 31, 2013 Amount owed from Emerson to Brighton Marketing Limited	Nov. 07, 2013 Grande Properties Management Limited	Mar. 31, 2013 Grande Properties Management Limited	Mar. 31, 2014 Grande Properties Management Limited	Nov. 07, 2013 Mr. Eduard Will, a director of Emerson	Mar. 31, 2013 Mr. Eduard Will, a director of Emerson	Nov. 07, 2013 Vigers Appraisal & Consulting Ltd	Mar. 31, 2013 Vigers Appraisal & Consulting Ltd	Jul. 03, 2013 Lafe Strategic Services Limited	Mar. 31, 2013 Lafe Strategic Services Limited	Apr. 01, 2013 Lafe Strategic Services Limited	May 22, 2014 Subsequent Event Grande
Related Party Transaction [Line Items]
Grande's (Provisional Liquidator Appointed) Ownership Interest in Emerson number of shares																			15,243,283
Grande's (Provisional Liquidator Appointed) Ownership Interest Percentage																			56.20%
Service charge from related party							$ 1,000	$ 5,000	$ 11,000	$ 41,000
Amount owed to related party							0	0		0	0	0	0
Security deposit returned																6,000
Amount receivable from related party														0	1,000			0
Rental income																	27,000
Travel advance paid to related party												6,000
Consulting fees paid to related party												68,000	110,000
Expense reimbursements and advances paid to related party													23,000
Extraordinary dividend declared						$ 1.10
Company's assertion as to the percent of the dividend that is taxable to the recipient						4.90%
Internal Revenue Service's assertion as to the percent of the dividend that is taxable to the recipient, which the company is refuting					100.00%
Reimbursement of legal fees			42,000
Agreement transaction fees			33,000
Waive of legal charges		5,000
Receipts from related party for amount owned	70,000
Estimated additional taxes, penalties and interest				4,700,000
Amount invoiced to related party														$ 3,000	$ 4,000