Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash		$ 32,019	$ 83,560
Accounts receivable, net		3,569	2,488
Inventory		3,368	2,558
Prepaid expenses and other current assets		4,136	3,933
Total current assets		43,092	92,539
Property and equipment, net		4,230	4,262
Goodwill		2,715	2,715
Other intangible assets, net		2,285	3,256
Total assets		52,322	102,772
Current liabilities:
Accounts payable and accrued liabilities		18,174	19,501
Notes payable, current maturities, net			6,707
Deferred revenue, current		1,716	1,875
Total current liabilities		19,890	28,083
Notes payable, less current maturities, net	[1]	29,272	22,168
Deferred revenue, long-term		20,000	20,000
Other long-term liabilities		825	825
Total liabilities		69,987	71,076
Commitments and contingencies (Notes 7 and 14)
Stockholders' equity:
Preferred Stock, $.001 par value; 5,000,000 shares authorized; 2,093,155 shares of Series A Non-Voting Convertible Preferred Stock outstanding at both December 31, 2016 and 2015, respectively.		2	2
Common Stock, $.001 par value; 75,000,000 shares authorized; 54,133,511 and 52,730,799 shares issued; 54,118,020 and 52,715,308 shares outstanding at December 31, 2016 and 2015, respectively		54	53
Additional paid-in capital		292,667	274,891
Treasury stock, at cost, 15,491 shares		(47)	(47)
Accumulated deficit		(310,341)	(243,203)
Total stockholders' (deficit) equity		(17,665)	31,696
Total liabilities and stockholders' (deficit) equity		$ 52,322	$ 102,772

[1] The 2016 amount disclosed in Notes payable, less current maturities, reflects the February 21, 2017 payoff of the MidCap Financial Trust obligation and simultaneous entrance into a term loan agreement with CRG Servicing LLC. (See notes 9 and 15).