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Nature of Operations and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Uncompleted contracts at March 31, 2013 and December 31, 2012 are as follows:


	March 31, 2013	December 31, 2012

Cost incurred on uncompleted contracts	$ 69	$ 14
Estimated earnings	78	61

Revenue recognized	147	75
Less: billings to date	(219 )	(32 )

	$ (72)	$ 43

The above information is presented in the balance sheet as follows:


	March 31, 2013	December 31, 2012

Costs and estimated earnings in excess of billings on uncompleted contracts	$ 23	$ 44
Billings in excess of costs and estimated earnings on uncompleted contracts	(95 )	(1 )

	$ (72)	$ 43

The estimated useful lives used to compute depreciation and amortization are as follows:


Equipment	3 - 5 years
Demonstration equipment	3 - 5 years
Furniture and fixtures	7 years
Purchased software	3 years
Leased equipment	3 years
Leasehold improvements	Shorter of 5 years or term of lease