Note 4 - Acquisition of New Dawn Technologies, Inc (Detail) (USD $)	1 Months Ended
	Dec. 31, 2012	Dec. 04, 2012
Business Acquisition, Cost of Acquired Entity, Cash Paid		$ 14,000,000
Business Acquisition, Cost of Acquired Entity, Transaction Costs		93,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	247,000
Business Combination Pro Forma Information Expenses Since Acquisition Date Actual	938,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	691,000
Business Acquisition, Purchase Price Allocation, Tangible Assets		3,100,000
Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents		2,200,000
Business Acquisition, Purchase Price Allocation, Current Assets, Receivables		660,000
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment		140,000
Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill		9,500,000
Business Acquisition, Purchase Price Allocation, Liabilities Assumed		12,600,000
Business Acquisition, Purchase Price Allocation, Current Liabilities		2,800,000
Business Acquisition, Purchase Price Allocation, Goodwill Amount		14,000,000
Deferred Maintenance Agreements [Member]
Business Acquisition, Purchase Price Allocation, Other Liabilities		2,200,000
Deferred Installation Contracts [Member]
Business Acquisition, Purchase Price Allocation, Other Liabilities		$ 7,500,000