Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (305,600)	$ (1,283,300)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	700	133,600
Stock and warrants issued for services	0	5,300
Stock-based compensation	7,800	340,900
Changes in operating assets and liabilities:
Accounts receivable, net	101,900	207,600
Inventories, net	0	(335,400)
Prepaid expenses and other current assets	(11,100)	56,700
Accounts payable and accrued expenses	(116,700)	237,000
Deferred revenue	0	54,500
Costs and estimated earnings in excess of billings on uncompleted contracts	0	12,700
Billings in excess of costs and estimated earnings on uncompleted contracts	0	7,300
Customer advances	0	(40,100)
Other assets	0	5,100
Net cash used in operations	(323,000)	(598,100)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of net RFID Technology segment assets	0	2,000,000
Net cash provided by investing activities	0	2,000,000
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings	0	84,900
Repayment on borrowings	0	(2,182,800)
Repayment on capital leases	0	(4,100)
Proceeds from exercise of stock options	151,200	0
Proceeds from sale of equity instruments, net	0	612,600
Cash dividends paid	0	(13,200)
Payment for listing fees	(4,000)	(12,500)
Net cash provided by (used in) financing activities	147,200	(1,515,100)
NET DECREASE IN CASH	(175,800)	(113,200)
CASH AND CASH EQUIVALENTS, beginning of period	783,200	400,500
CASH AND CASH EQUIVALENTS, end of period	607,400	287,300
SUPPLEMENTAL SCHEDULE OF CASH FLOW INFORMATION
Net cash paid during the period for interest	0	167,800
Non-Cash Activities:
Unrealized loss on marketable securities	1,229,900	0
Value of shares issued in payment of interest and services	0	5,300
Value of stock issued for payment of notes	0	2,100
Series B preferred stock dividend, paid in kind	30,500	27,700
Series D preferred stock dividend, paid in common stock or accrued	0	23,100
Series E preferred stock dividend, paid or accrued	0	24,500
Series D preferred stock converted to common stock	$ 0	$ 518,900