Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($) $ in Thousands		Jul. 31, 2016	Jan. 31, 2016
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Commodity futures (1)	[1]	$ 632
Investment in cooperative (2)	[2]	333	$ 333
Total assets		965
Forward purchase contract liability (3)	[3]	695	312
Fair Value, Inputs, Level 1 [Member]
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Commodity futures (1)	[1]	632
Investment in cooperative (2)	[2]
Total assets		632
Forward purchase contract liability (3)	[3]
Fair Value, Inputs, Level 2 [Member]
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Commodity futures (1)	[1]
Investment in cooperative (2)	[2]
Forward purchase contract liability (3)	[3]	695	312
Fair Value, Inputs, Level 3 [Member]
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Commodity futures (1)	[1]
Investment in cooperative (2)	[2]	333	333
Total assets		333
Forward purchase contract liability (3)	[3]

[1] Commodity futures are included in "Prepaid expenses and other current assets" on the accompanying Consolidated Condensed Balance Sheets.

[2] The investment in cooperative is included in "Other assets" on the accompanying Consolidated Condensed Balance Sheets.

[3] The forward purchase contract liability is included in "Accrued expenses and other current liabilities" on the accompanying Consolidated Condensed Balance Sheets.