Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
Sales	$ 33,391,183	$ 32,998,359	$ 64,192,333	$ 68,434,886
Operating expenses:
Reimbursable program costs and expenses	7,163,886	5,748,872	13,489,103	12,025,445
Outside production and other program expenses	15,789,759	16,636,429	30,344,738	34,755,719
Compensation expense	7,846,666	7,587,441	15,574,222	15,318,370
General and administrative expenses	1,915,087	1,862,813	3,790,357	3,658,534
Total operating expenses	32,715,398	31,835,555	63,198,420	65,758,068
Operating income	675,785	1,162,804	993,913	2,676,818
Interest income, net	277	260	530	516
Fair value adjustments to compound embedded derivatives	739,362	(196,809)	1,053,192	(808,511)
Income before provision for income taxes	1,415,424	966,255	2,047,635	1,868,823
Provision for income taxes	270,000	393,000	396,000	1,039,000
Net income	$ 1,145,424	$ 573,255	$ 1,651,635	$ 829,823
Basic earnings per share (in dollars per share)	$ 0.14	$ 0.07	$ 0.20	$ 0.10
Diluted earnings per share (in dollars per share)	$ 0.07	$ 0.04	$ 0.10	$ 0.05
Weighted average number of common shares outstanding:
Basic (in shares)	8,312,891	8,325,891	8,255,947	8,240,528
Diluted (in shares)	17,267,193	16,210,304	17,265,064	16,100,638