CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 15,969	$ 9,569
Restricted cash	5,132	0
Receivables, less allowance for doubtful accounts of $44,061 and $44,730 as of March 31, 2017 and December 31, 2016, respectively	109,477	111,811
Inventory	30,549	36,165
Prepaid expenses and other current assets	14,896	18,507
Total current assets	176,023	176,052
Property and equipment, net	30,416	32,535
Goodwill	365,947	365,947
Intangible assets, net	27,858	31,043
Other non-current assets	2,173	2,163
Total assets	602,417	607,740
Current liabilities
Current portion of long-term debt	22,426	18,521
Accounts payable	47,446	59,134
Amounts due to plan sponsors	4,444	3,799
Accrued interest	5,549	6,705
Accrued expenses and other current liabilities	41,867	42,191
Total current liabilities	121,732	130,350
Long-term debt, net of current portion	450,072	433,413
Deferred taxes	2,900	2,281
Other non-current liabilities	1,180	1,257
Total liabilities	575,884	567,301
Stockholders’ deficit
Preferred stock, $.0001 par value; 5,000,000 shares authorized; no shares issued and outstanding as of March 31, 2017 and December 31, 2016, respectively	0	0
Common stock, $.0001 par value; 250,000,000 shares authorized; 120,982,543 and 117,682,543 shares issued and outstanding as of March 31, 2017 and December 31, 2016, respectively	12	12
Additional paid-in capital	614,977	611,844
Accumulated deficit	(662,847)	(643,419)
Total stockholders’ deficit	(47,858)	(31,563)
Total liabilities and stockholders’ deficit	602,417	607,740
Series A convertible preferred stock, $.0001 par value; 825,000 shares authorized; 21,645 shares issued and outstanding as of March 31, 2017 and December 31, 2016; and, $2,677 and $2,603 liquidation preference as of March 31, 2017 and December 31, 2016, respectively
Current liabilities
Convertible preferred stock	2,549	2,462
Series C convertible preferred stock, $.0001 par value; 625,000 shares authorized; 614,177 shares issued and outstanding as of March 31, 2017 and December 31, 2016; and $77,632 and $75,491 liquidation preference as of March 31, 2017 and December 31, 2016, respectively
Current liabilities
Convertible preferred stock	$ 71,842	$ 69,540