Noncontrolling Interest Liability (Details)	3 Months Ended					3 Months Ended		12 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2012 CAD	Jun. 30, 2011 USD ($)	Mar. 31, 2012 USD ($)	Mar. 31, 2011	Jun. 30, 2012 Home Video Division [Member] USD ($)	Jun. 30, 2011 Home Video Division [Member] USD ($)	Mar. 31, 2011 Home Video Division [Member] USD ($)	Mar. 31, 2011 Home Video Division [Member] Minimum [Member] USD ($)	Mar. 31, 2011 Home Video Division [Member] Maximum [Member] USD ($)
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					30.00%
Noncontrolling interest repurchase date	2013-08-13	2013-08-13
Noncontrolling interest, repurchase price description	repurchase price calculated as the product of 2.25 times the operating income for four consecutive fiscal quarters ending on or prior to the repurchase date, multiplied by the IMHE Noncontrolling Interest. If Image does not repurchase the IMHE Noncontrolling Interest on August 31, 2013, then Image is required to repurchase such interest on August 31, 2014 at a repurchase price calculated as the product of 2.75 times the operating income for four consecutive fiscal quarters ending on or prior to the repurchase date. If Image undergoes a change of control on or prior to August 31, 2013, Seller may opt to have Image repurchase the IMHE Noncontrolling Interest substantially based on the formula for a repurchase at August 31, 2013.	repurchase price calculated as the product of 2.25 times the operating income for four consecutive fiscal quarters ending on or prior to the repurchase date, multiplied by the IMHE Noncontrolling Interest. If Image does not repurchase the IMHE Noncontrolling Interest on August 31, 2013, then Image is required to repurchase such interest on August 31, 2014 at a repurchase price calculated as the product of 2.75 times the operating income for four consecutive fiscal quarters ending on or prior to the repurchase date. If Image undergoes a change of control on or prior to August 31, 2013, Seller may opt to have Image repurchase the IMHE Noncontrolling Interest substantially based on the formula for a repurchase at August 31, 2013.
Noncontrolling Interest Liability Noncurrent	$ 521,000			$ 500,000		$ 0	$ 33,000
Noncontrolling Interest, Change in Redemption Value	21,000		(173,000)
Payments to noncontrolling interest	165,000		81,000
Management services agreement contract term								P3Y
Management fee amount per year								400,000
Operating income subject to management fee									200,000	800,000
Component of accrued liabilities	3,182,000		3,929,000			50,000	100,000
Monthly services fee		29,000
Selling, General and Administrative Expense	$ 4,814,000		$ 6,406,000			$ 94,000	$ 92,000