Significant components of the Company's deferred tax assets and liabilities as follows (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Significant components of the Company's deferred tax assets and liabilities as follows
Intangible assets	$ 59,000	$ 130,000
Deferred revenue	3,425,000	2,779,000
Other reserves and accruals	1,253,000	1,621,000
Tax credit carryforwards	0	0
Property, plant and equipment	1,450,000	1,541,000
Amortization of stock-based compensation	9,183,000	8,495,000
Capitalized research & development expenditures	13,775,000	15,846,000
Net operating loss carryforwards	9,883,000	3,347,000
Total deferred tax asset	39,028,000	33,759,000
Valuation allowance	(26,746,000)	(17,001,000)
Net deferred tax assets	12,282,000	16,758,000
Non-employee stock based compensation	(1,556,000)	(1,556,000)
Section 382 recognized built in loss	(10,726,000)	(15,202,000)
Net deferred tax liability	(12,282,000)	(16,758,000)
Net	0	0
Intangible assets	999,000	694,000
Deferred revenue	0	0
Other reserves and accruals	0	0
Tax credit carryforwards	84,000	1,569,000
Property, plant and equipment	504,000	541,000
Amortization of stock-based compensation	0	0
Capitalized research & development expenditures	5,195,000	5,384,000
Net operating loss carryforwards	3,556,000	3,541,000
Total deferred tax asset	10,338,000	11,729,000
Valuation allowance	(10,338,000)	(11,729,000)
Net deferred tax assets	0	0
Non-employee stock based compensation	0	0
Section 382 recognized built in loss	0	0
Net deferred tax liability	0	0
Net	$ 0	$ 0