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Advances on Contracts (Details Textual) (USD $)	12 Months Ended
Advances on Contracts (Details Textual) (USD $)	Dec. 31, 2013	Dec. 31, 2014
Advances To Contract Manufacturer [Line Items]
Advances to contract manufacturer	$ 2,308,352	$ 721,197
Outstanding accounts payable	37,000	113,873
STA parts
Advances To Contract Manufacturer [Line Items]
Parts operations charged off due to high cost and of producing additional instruments	$ 60,000

Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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