CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets:
Cash and cash equivalents	$ 774	$ 2,220
Royalty receivable	192	71
Prepaid expenses and other current assets	116	275
Total current assets	1,082	2,566
Income tax receivable	135	135
Property, plant and equipment, net (Note 6)	659	679
Intangible asset, (net of accumulated amortization of $828 and $776) (Note 3)	1,172	1,224
Total assets	3,048	4,604
Liabilities:
Accounts payable	416	3
Accrued expenses (Note 7)	817	939
Accrued interest	745	700
Other current liabilities	13	41
Sales returns liability	254	254
Debt, (net of discounts) (Note 8)	2,228	2,694
Total current liabilities	4,473	4,631
Total liabilities	4,473	4,631
Commitments and contingencies (Note 15)
Stockholders’ deficit:
Common stock - $.01 par value per share; 100,000 shares authorized, 21,034 and 20,796 shares issued and outstanding at March 31, 2018 and December 31, 2017, respectively	210	208
Additional paid-in capital	380,239	380,145
Accumulated deficit	(381,874)	(380,380)
Total stockholders’ deficit	(1,425)	(27)
Total liabilities and stockholders’ deficit	$ 3,048	$ 4,604