Costs and estimated earnings on uncompleted contracts Costs and estimated earnings on uncompleted contracts (Tables)

12 Months Ended

Jan. 31, 2015

Costs and estimated earnings on uncompleted contracts [Abstract]

Costs and estimated earnings on uncompleted contracts [Table Text Block]

	2014	2013
Costs incurred on uncompleted contracts	$66,547	$52,064
Estimated earnings	31,082	18,915
Earned revenue	97,629	70,979
Less billings to date	97,610	71,725
Costs in excess of billings, net	$19	($746)
Balance sheet classification
Costs and estimated earnings in excess of billings on uncompleted contracts	$700	$1,476
Billings in excess of costs and estimated earnings on uncompleted contracts	(681)	(2,222)
Costs in excess of billings, net	$19	($746)