Consolidated Statements of Stockholders' Equity (USD $)
|
Total
USD ($)
|
Convertible Promissory Notes
USD ($)
|
Seesmart Technologies Incorporated
USD ($)
|
Relume Technologies Inc
USD ($)
|
Tri-State LED, Inc.
USD ($)
|
Employees
USD ($)
|
Non Employees
USD ($)
|
Series B Convertible Preferred Stock
USD ($)
|
Series C Convertible Preferred Stock
USD ($)
|
Series D Convertible Preferred Stock
USD ($)
|
Series E and F Redeemable Preferred Stock
USD ($)
|
Preferred Stock
USD ($)
|
Preferred Stock
Series B Convertible Preferred Stock
USD ($)
|
Preferred Stock
Series C Convertible Preferred Stock
USD ($)
|
Preferred Stock
Series D Convertible Preferred Stock
USD ($)
|
Common Stock
USD ($)
|
Common Stock
Convertible Promissory Notes
USD ($)
|
Common Stock
Seesmart Technologies Incorporated
USD ($)
|
Common Stock
Relume Technologies Inc
USD ($)
|
Common Stock
Tri-State LED, Inc.
USD ($)
|
Common Stock
Employees
|
Common Stock
Series B Convertible Preferred Stock
USD ($)
|
Common Stock
Series D Convertible Preferred Stock
USD ($)
|
Additional Paid-in Capital
USD ($)
|
Additional Paid-in Capital
Convertible Promissory Notes
USD ($)
|
Additional Paid-in Capital
Seesmart Technologies Incorporated
USD ($)
|
Additional Paid-in Capital
Relume Technologies Inc
USD ($)
|
Additional Paid-in Capital
Tri-State LED, Inc.
USD ($)
|
Additional Paid-in Capital
Employees
USD ($)
|
Additional Paid-in Capital
Non Employees
USD ($)
|
Additional Paid-in Capital
Series B Convertible Preferred Stock
USD ($)
|
Additional Paid-in Capital
Series C Convertible Preferred Stock
USD ($)
|
Additional Paid-in Capital
Series D Convertible Preferred Stock
USD ($)
|
Additional Paid-in Capital
Series E and F Redeemable Preferred Stock
USD ($)
|
Accumulated Deficit
USD ($)
|
Temporary Equity
USD ($)
|
Temporary Equity
Series F Convertible Redeemable Preferred Stock
USD ($)
|
Temporary Equity
Series E Convertible Redeemable Preferred Stock
USD ($)
|
Temporary Equity
Series E and F Redeemable Preferred Stock
USD ($)
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Beginning Balance at Dec. 31, 2010 | $ 13,160,000 | $ 16,000 | $ 49,387,000 | $ (36,243,000) | |||||||||||||||||||||||||||||||||||
Beginning Balance (in shares) at Dec. 31, 2010 | 16,245,000 | ||||||||||||||||||||||||||||||||||||||
Exercise of stock options (in shares) | 0 | ||||||||||||||||||||||||||||||||||||||
Exercise of warrants, (in shares) | 207,000 | ||||||||||||||||||||||||||||||||||||||
Exercise of warrants | 319,000 | 319,000 | |||||||||||||||||||||||||||||||||||||
Stock-based compensation | 301,000 | 301,000 | |||||||||||||||||||||||||||||||||||||
Net loss | (5,469,000) | (5,469,000) | |||||||||||||||||||||||||||||||||||||
Ending Balance at Dec. 31, 2011 | 8,311,000 | 16,000 | 50,007,000 | (41,712,000) | |||||||||||||||||||||||||||||||||||
Ending Balance (in shares) at Dec. 31, 2011 | 16,452,000 | ||||||||||||||||||||||||||||||||||||||
Exercise of stock options (in shares) | 0 | ||||||||||||||||||||||||||||||||||||||
Accrual of dividends on convertible preferred stock | (31,000) | (31,000) | |||||||||||||||||||||||||||||||||||||
Issuance of stock, net of issuance costs (in shares) | 600,000 | 10,000 | 11,000 | ||||||||||||||||||||||||||||||||||||
Issuance of stock, net of issuance costs | 5,195,000 | 9,936,000 | 944,000 | 9,936,000 | 944,000 | 5,195,000 | |||||||||||||||||||||||||||||||||
Stock-based compensation | 45,000 | 45,000 | |||||||||||||||||||||||||||||||||||||
Accretion of preferred stock | 5,195,000 | (5,195,000) | |||||||||||||||||||||||||||||||||||||
Issuance of convertible stock (in shares) | (600,000) | 1,000,000 | 46,154,000 | ||||||||||||||||||||||||||||||||||||
Issuance of convertible stock | 588,000 | (5,195,000) | 1,000 | 46,000 | 587,000 | 5,149,000 | |||||||||||||||||||||||||||||||||
Issuance of common stock for acquisition (in shares) | 6,607,000 | ||||||||||||||||||||||||||||||||||||||
Issuance of common stock for acquisition | 4,295,000 | 7,000 | 4,288,000 | ||||||||||||||||||||||||||||||||||||
Fees associated with issuances of common stock | (9,000) | (9,000) | |||||||||||||||||||||||||||||||||||||
Net loss | (8,578,000) | (8,578,000) | |||||||||||||||||||||||||||||||||||||
Ending Balance at Dec. 31, 2012 | 20,696,000 | 10,880,000 | 70,000 | 60,036,000 | (50,290,000) | ||||||||||||||||||||||||||||||||||
Ending Balance (in shares) at Dec. 31, 2012 | 70,213,000 | 21,000 | 70,213,000 | ||||||||||||||||||||||||||||||||||||
Exercise of stock options (in shares) | 108,146 | 108,000 | |||||||||||||||||||||||||||||||||||||
Exercise of stock options | 265,000 | 265,000 | |||||||||||||||||||||||||||||||||||||
Stock-based compensation, (in shares) | 191,000 | ||||||||||||||||||||||||||||||||||||||
Accrual of dividends on convertible preferred stock | (1,360,000) | (1,360,000) | 346,000 | ||||||||||||||||||||||||||||||||||||
Embedded Conversion Liability | 8,626,000 | 8,626,000 | (1,637,000) | ||||||||||||||||||||||||||||||||||||
Issuance of stock, net of issuance costs (in shares) | 1,000 | 4,348,000 | |||||||||||||||||||||||||||||||||||||
Issuance of stock, net of issuance costs | 5,069,000 | 62,000 | 62,000 | 5,000 | 5,064,000 | 4,999,000 | 4,968,000 | ||||||||||||||||||||||||||||||||
Stock-based compensation | 302,000 | 507,000 | 302,000 | 507,000 | |||||||||||||||||||||||||||||||||||
Issuance of restricted common stock for services (in shares) | 1,084,000 | ||||||||||||||||||||||||||||||||||||||
Issuance of restricted common stock for services | 1,000 | (1,000) | |||||||||||||||||||||||||||||||||||||
Accretion of preferred stock | (2,290,000) | (2,290,000) | 2,290,000 | ||||||||||||||||||||||||||||||||||||
Issuance of convertible stock (in shares) | (12,000) | 1,712,000 | |||||||||||||||||||||||||||||||||||||
Issuance of convertible stock | (1,006,000) | 1,000 | 1,005,000 | ||||||||||||||||||||||||||||||||||||
Issuance of common stock for acquisition (in shares) | 1,993,000 | 2,174,000 | 272,000 | ||||||||||||||||||||||||||||||||||||
Issuance of common stock for acquisition | 1,295,000 | 7,305,000 | 835,000 | 2,000 | 2,000 | 1,000 | 1,293,000 | 7,303,000 | 834,000 | ||||||||||||||||||||||||||||||
Fees associated with issuances of common stock | (119,000) | (119,000) | |||||||||||||||||||||||||||||||||||||
Common stock to be issued | 1,109,000 | 1,109,000 | |||||||||||||||||||||||||||||||||||||
Net loss | (16,821,000) | (16,821,000) | |||||||||||||||||||||||||||||||||||||
Ending Balance at Dec. 31, 2013 | $ 25,481,000 | $ 9,936,000 | $ 82,000 | $ 82,574,000 | $ (67,111,000) | $ 10,966,000 | |||||||||||||||||||||||||||||||||
Ending Balance (in shares) at Dec. 31, 2013 | 82,095,000 | 10,000 | 82,095,000 |