Restricted Cash

6 Months Ended

Jun. 30, 2013

Receivables [Abstract]

Restricted Assets Disclosure [Text Block]

Note 7. Restricted Cash

The Company’s liquidity is affected by restricted cash balances of approximately $0.1 million as of June 30, 2013 and December 31, 2012, which are included in current assets and are not available for general corporate use. The Company has pledged these restricted cash accounts as collateral for stand-by letters of credit that support customer credit requirements.