Concentrations	12 Months Ended
Dec. 31, 2011
Concentrations [Abstract]
Concentrations	14. CONCENTRATIONS The Company's bank participates in the FDIC's Transaction Account Guarantee Program. Under that program, through December 31, 2011, all non-interest bearing transaction accounts are fully guaranteed by the FDIC for the entire amount in the account. Coverage is in addition to, and separate from, the coverage available under the FDIC's general deposit insurance rules. The Company also maintains accounts that are not covered by the guarantee program. At times throughout the year, cash and cash equivalents exceeded the FDIC insurance limits in these accounts. As of December 31, 2011 and 2010, the Company's cash deposits exceeded the FDIC insured amount by approximately $9,665,000 and $8,550,000, respectively. The Company's products use certain standard and application specific components that are acquired from one or a limited number of sources. The Company has generally been able to procure adequate supplies of these components in a timely manner from existing sources. The Company's inability to obtain a sufficient quantity of components when required or to develop alternative sources at acceptable prices and within a reasonable time, could result in delays or reductions in product shipments which could materially affect the Company's operating results in any given period.

Concentrations

12 Months Ended

Dec. 31, 2011

14. CONCENTRATIONS

The Company's bank participates in the FDIC's Transaction Account Guarantee Program. Under that program, through December 31, 2011, all non-interest bearing transaction accounts are fully guaranteed by the FDIC for the entire amount in the account. Coverage is in addition to, and separate from, the coverage available under the FDIC's general deposit insurance rules. The Company also maintains accounts that are not covered by the guarantee program. At times throughout the year, cash and cash equivalents exceeded the FDIC insurance limits in these accounts. As of December 31, 2011 and 2010, the Company's cash deposits exceeded the FDIC insured amount by approximately $9,665,000 and $8,550,000, respectively.

The Company's products use certain standard and application specific components that are acquired from one or a limited number of sources. The Company has generally been able to procure adequate supplies of these components in a timely manner from existing sources. The Company's inability to obtain a sufficient quantity of components when required or to develop alternative sources at acceptable prices and within a reasonable time, could result in delays or reductions in product shipments which could materially affect the Company's operating results in any given period.