Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.7.0.1
NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
 12 Months Ended
Dec. 31, 2016
USD ($)
Institution
Plan
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Cash and Cash Equivalents [Abstract]    
Highly liquid investments $ 0 $ 0
Number of financial institutions deposits are primarily maintained | Institution 2  
Receivable [Abstract]    
Allowance for doubtful accounts receivable $ 0 0
Licensed Technology [Abstract]    
Impairment of licensed technology 0 0
Goodwill [Abstract]    
Goodwill 32,466,000 32,466,000
Goodwill impairment 0 0
Other Income [Abstract]    
Miscellaneous income $ 2,014,000 4,026,000
Number of years subject to statute of limitations by major tax jurisdiction 3 years  
Basic and diluted net loss per share [Abstract]    
Net loss allocable to common stockholders $ (21,873,000) $ (14,526,000)
Weighted average shares outstanding (in shares) | shares 34,180,253 27,597,434
Basic and diluted net loss per common share (in dollars per share) | $ / shares $ (0.64) $ (0.53)
Net loss allocable to common stockholders $ (21,873,000) $ (14,526,000)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) | shares 8,508,177 6,123,108
Stock-Based Compensation [Abstract]    
Number of stock based compensation plans | Plan 2  
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 4,829,000 $ 4,368,000
Income Taxes [Abstract]    
Uncertain tax positions recognized 0 0
Interest expense related to income taxes recognized 0 0
Pentalty expense related to income taxes recognized $ 0 0
Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives of property and equipment 3 years  
Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives of property and equipment 5 years  
Stock Options [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 4,829,000 4,368,000
Tax benefit 0 0
Stock-based compensation expense, net of tax 4,829,000 4,368,000
Stock Options [Member] | Research and Development [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 1,219,000 773,000
Stock Options [Member] | General and Administrative [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 3,610,000 3,595,000
Stock Options [Member] | Operating Expense [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 4,829,000 4,368,000
Restricted Stock [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 3,432,000 4,852,000
Tax benefit 0 0
Stock-based compensation expense, net of tax 3,432,000 4,852,000
Restricted Stock [Member] | Research and Development [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 200,000 367,000
Restricted Stock [Member] | General and Administrative [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 3,232,000 4,485,000
Restricted Stock [Member] | Operating Expense [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 3,432,000 $ 4,852,000
Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) | shares 3,736,617 3,799,024
Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) | shares 4,771,560 2,324,084