Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Cash flows from operating activities:
Net income	$ 2,522,000	$ 392,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	451,000	380,000
Amortization	131,000	197,000
Accretion on long-term debt	0	26,000
Loss on early extinguishment of debt	9,000	25,000
Provision for bad debt	196,000	118,000
Provision for obsolete and slow-moving inventory	142,000	110,000
Provision for warranty	87,000	244,000
Provision for contract losses	187,000	1,274,000
Stock-based compensation	103,000	188,000
Gain on sale of intangible assets	(1,990,000)	0
Gain on sale of property, plant & equipment	(13,000)	0
Provision for deferred income taxes	920,000	436,000
Changes in assets and liabilities:
Accounts receivable, net	(414,000)	(655,000)
Income taxes receivable	(45,000)	0
Inventories, net	(1,544,000)	460,000
Prepaid expenses and other current assets, net	1,220,000	600,000
Other assets	(46,000)	0
Accounts payable, trade	(873,000)	(116,000)
Compensation and benefits	521,000	(162,000)
Deferred revenue	1,669,000	0
Deferred income tax benefit	(179,000)	0
Accrued expenses and other liabilities	(860,000)	(1,993,000)
Net cash provided by operating activities	2,194,000	1,524,000
Cash flows from investing activities:
Proceeds from sale of intangible assets	1,382,000	0
Proceeds from sale of property, plant & equipment	13,000	0
Capital expenditures	(780,000)	(1,068,000)
Net cash provided by (used in) investing activities	615,000	(1,068,000)
Cash flows from financing activities:
Net (decrease) increase in revolving credit facility	(2,209,000)	799,000
Principal payments on notes payable	0	(600,000)
Principal payments on long-term debt	(757,000)	(660,000)
Net cash used in financing activities	(2,966,000)	(461,000)
Change in cash and cash equivalents	(157,000)	(5,000)
Cash and cash equivalents, beginning of year	157,000	162,000
Cash and cash equivalents, end of year	0	157,000
Supplemental disclosures of cash flow information:
Interest	269,000	345,000
Income taxes	$ 53,000	$ 0