Condensed Consolidated Balance Sheets (USD $)	Apr. 30, 2012	Jan. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 175,309,000	$ 156,524,000
Accounts receivable, net of allowance for doubtful accounts	18,516,000	16,053,000
Costs and estimated earnings in excess of billings	2,466,000	2,781,000
Deferred income tax assets	784,000	691,000
Prepaid expenses and other current assets	2,107,000	4,528,000
TOTAL CURRENT ASSETS	199,182,000	180,577,000
Property and equipment, net ($2,413,000 and $1,469,000 related to variable interest entities as of April 30, 2012 and January 31, 2012, respectively)	3,775,000	2,761,000
Goodwill	18,476,000	18,476,000
Intangible assets, net of accumulated amortization	2,513,000	2,574,000
Deferred income tax and other assets	743,000	864,000
TOTAL ASSETS	224,689,000	205,252,000
CURRENT LIABILITIES:
Accounts payable	28,198,000	29,524,000
Accrued expenses	4,925,000	6,751,000
Billings in excess of costs and estimated earnings	85,997,000	68,004,000
TOTAL CURRENT LIABILITIES	119,120,000	104,279,000
Other liabilities	9,000	10,000
TOTAL LIABILITIES	119,129,000	104,289,000
COMMITMENTS AND CONTINGENCIES (Note 13)
STOCKHOLDERS' EQUITY:
Preferred stock, par value $0.10 per share - 500,000 shares authorized; no shares issued and outstanding
Common stock, par value $0.15 per share - 30,000,000 shares authorized; 13,680,098 and 13,661,098 shares issued at April 30 and January 31, 2012, respectively; 13,676,865 and 13,657,865 shares outstanding at April 30 and January 31, 2012, respectively	2,052,000	2,049,000
Warrants outstanding	576,000	590,000
Additional paid-in capital	90,060,000	89,714,000
Retained earnings	13,382,000	8,944,000
Treasury stock, at cost - 3,233 shares at April 30 and January 31, 2012	(33,000)	(33,000)
TOTAL STOCKHOLDERS' EQUITY	106,037,000	101,264,000
Noncontrolling interest (variable interest entities)	(477,000)	(301,000)
TOTAL EQUITY	105,560,000	100,963,000
TOTAL LIABILITIES AND EQUITY	$ 224,689,000	$ 205,252,000