CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 51,425	$ 15,577
Receivables, less allowance for doubtful accounts of $51,314 and $59,689 as of June 30, 2016 and December 31, 2015, respectively	98,634	97,353
Inventory	32,446	42,983
Prepaid expenses and other current assets	16,509	27,772
Total current assets	199,014	183,685
Property and equipment, net	30,789	31,939
Goodwill	308,729	308,729
Intangible assets, net	3,512	5,128
Other non-current assets	1,203	1,161
Total assets	543,247	530,642
Current liabilities
Current portion of long-term debt	9,357	24,380
Accounts payable	48,887	65,077
Amounts due to plan sponsors	3,553	3,491
Accrued interest	6,706	6,898
Accrued expenses and other current liabilities	33,158	52,918
Total current liabilities	101,661	152,764
Long-term debt, net of current portion	390,102	393,741
Deferred taxes	589	236
Other non-current liabilities	1,655	1,861
Total liabilities	494,007	548,602
Stockholders’ deficit
Preferred stock, $.0001 par value; 4,175,000 shares authorized; no shares issued and outstanding as of June 30, 2016 and December 31, 2015, respectively	0	0
Common stock, $.0001 par value; 125,000,000 shares authorized; 116,641,664 and 71,421,664 shares issued and 113,880,241 and 68,767,613 shares outstanding as of June 30, 2016 and December 31, 2015, respectively	12	8
Treasury stock, 2,761,423 and 2,654,051 shares, at cost, as of June 30, 2016 and December 31, 2015, respectively	(11,009)	(10,737)
Additional paid-in capital	612,603	531,764
Accumulated deficit	(619,683)	(601,913)
Total stockholders’ deficit	(18,077)	(80,878)
Total liabilities and stockholders’ deficit	543,247	530,642
Series A Preferred Stock
Current liabilities
Series A convertible preferred stock, $.0001 par value; 825,000 shares authorized; 21,645 and 635,822 shares outstanding as of June 30, 2016 and December 31, 2015, respectively; and, $2,459 and $69,702 liquidation preference as of June 30, 2016 and December 31, 2015, respectively	2,292	62,918
Series C convertible preferred stock, $.0001 par value; 625,000 shares authorized; 614,177 shares issued and outstanding as of June 30, 2016; and $71,298 liquidation preference as of June 30, 2016	2,292	62,918
Series C Preferred Stock
Current liabilities
Series A convertible preferred stock, $.0001 par value; 825,000 shares authorized; 21,645 and 635,822 shares outstanding as of June 30, 2016 and December 31, 2015, respectively; and, $2,459 and $69,702 liquidation preference as of June 30, 2016 and December 31, 2015, respectively	65,025	0
Series C convertible preferred stock, $.0001 par value; 625,000 shares authorized; 614,177 shares issued and outstanding as of June 30, 2016; and $71,298 liquidation preference as of June 30, 2016	$ 65,025	$ 0