Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 32,854	$ 32,649
Accounts receivable, net	24,724	22,338
Inventories, net	33,936	33,679
Prepaid expenses and other current assets	6,340	8,134
Total current assets	97,854	96,800
Fixed assets, net	201	233
Right-of-use assets	930	1,135
Intangible and other non-current assets	116,923	120,140
Total assets	215,908	218,308
Current liabilities:
Accounts payable	11,015	7,726
Accrued and other liabilities	32,912	32,398
Deferred revenue	1,296	1,249
Current portion of lease liability	741	767
Current portion of long-term debt	181,822	183,006
Total current liabilities	227,786	225,146
Long-term debt	58,910	58,721
Deferred revenue, net of current portion	2,769	3,063
Lease liability, net of current portion	399	602
Total liabilities	289,864	287,532
Commitments and contingencies
Stockholders' deficit
Preferred stock; $.001 par value; 5,000 shares authorized; no shares issued and outstanding at March 31, 2020 and December 31, 2019	0	0
Common stock; $.001 par value; 200,000 shares authorized; 10,649 and 10,649 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	11	11
Additional paid-in capital	843,146	842,808
Accumulated other comprehensive income (loss)	108	(35)
Accumulated deficit	(917,221)	(912,008)
Total stockholders' deficit	(73,956)	(69,224)
Total liabilities and stockholders' deficit	$ 215,908	$ 218,308