Supplemental Disclosure for Statements of Cash Flows	3 Months Ended
Supplemental Disclosure for Statements of Cash Flows	Mar. 31, 2015
Supplemental Cash Flow Elements [Abstract]
Supplemental Disclosure for Statements of Cash Flows	Supplemental Disclosure for Statements of Cash Flows During the three-month periods ended March 31, 2015 and 2014, we paid interest aggregating $701,000 and $907,000, respectively. During the three-month period ended March 31, 2015, we issued 68,157 shares of our common stock as employer matching contributions to our 401(k) plan valued at $117,000. In connection with their initial investment in March 2015, the investors in MT were issued warrants that have been determined to be derivative liabilities with an estimated fair value of $63,000. A $46,000 deemed dividend related to the beneficial conversion feature within the MT Preferred Stock was also recorded at the time of the initial investment in MT.