Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017
Operating Activities
Net loss	$ (2,938)	$ (1,006)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	261	237
Provision for doubtful accounts	(1)	24
Provision for inventory reserve	569	1,076
Non-cash charge for share based compensation	68	4
Loss on disposal of assets	21	94
Realized/unrealized gain on investments	(14)	(218)
Other	4
Changes in working capital items:
Accounts receivable	2,109	(1,215)
Inventories	884	302
Note receivable	175	16
Prepaid expenses and other assets	181	(105)
Accounts payable and accrued liabilities	(335)	91
Customer deposits	21	(185)
Deferred rent	(120)	(120)
Other liabilities	42
Cost, estimated earnings and billings, net on uncompleted contracts		(160)
Income taxes refundable/payable		(1)
Net cash provided by (used in) operating activities	927	(1,166)
Investing Activities
Capital expenditures	(463)	(300)
Investment in real estate partnership - related party	(375)
Purchases of investments	(2,301)	(1,096)
Acquisition of business, net of cash acquired (Note 13)	(100)
Proceeds from sale of investments	2,509	1,373
Net cash used in investing activities	(730)	(23)
Financing Activities
Proceeds from note receivable		912
Repayments of long-term debt	(54)	(52)
Proceeds from line of credit	1,192	593
Repayments to line of credit	(1,202)	(356)
Purchase of treasury stock	(4)
Payments on marginal float	(8)	(283)
Repayments of notes payable to officers and directors	(175)	(85)
Net cash provided by (used in) financing activities	(251)	729
Net change in cash and cash equivalents	(54)	(460)
Cash and cash equivalents, beginning of year	135	595
Cash and cash equivalents, end of year	$ 81	$ 135