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Accounts Receivable (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
U.S.Government Contracts
Billed	$ 456	$ 436
Unbilled	150	932
Total receivables by contract	606	1,368
Commercial Contracts
Billed	1,070	847
Unbilled	250	214
Total receivables by contract	1,320	1,061
Total Accounts Receivables
Total receivables by contract	$ 1,926	$ 2,429

Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

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