Chapter 11 Filing (Details)					3 Months Ended
	Jun. 30, 2016 USD ($) item shares	May 09, 2016 USD ($) shares	Mar. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Apr. 03, 2016 USD ($)
Liabilities subject to compromise			$ 4,867,000	$ 5,414,000	$ 4,867,000
Decrease in liabilities subject to compromise					235,000
Property and equipment, net			170,000	288,000	170,000
Gain on lease termination					227,000
Lease Termination [Member]
Property and equipment, net				85,000
Deferred rent liabilities				312,000
Gain on lease termination					227,000
PIPE Litigation Plaintiffs [Member]
Litigation claims amount					6,900,000
Class Action Suit Related To Former CEO [Member]
Litigation claims amount			$ 20,000,000
Shares awarded to claimants | shares			300,000
Damages awarded to claimants			$ 250,000
Claim Filed By Certain Investors In Connection With 2015 Private Financing Transaction [Member]
Obligation to issue shares			2,800,000		2,800,000
Liabilities subject to compromise			500,000		500,000
All Other Proofs of Claim [Member]
Litigation claims amount				5,100,000
Liabilities subject to compromise			4,900,000	$ 4,500,000	4,900,000
Decrease in liabilities subject to compromise					211,000
All Other Proofs of Claim [Member] | Accrued Liabilities [Member]
Liabilities subject to compromise			$ 400,000		$ 400,000
Subsequent Event [Member]
Bankruptcy claims, amount	$ 32,000,000
Number of claims | item	195
Subsequent Event [Member] | Former Director [Member]
Litigation accrual expense	$ 16,000
Shares reserved for issuance in connection with class action lawsuit | shares	3,750
Subsequent Event [Member] | PIPE Litigation Plaintiffs [Member]
Litigation accrual expense	$ 1,500,000
Shares reserved for issuance in connection with class action lawsuit | shares	327,608
Subsequent Event [Member] | Class Action Suit Related To Former CEO [Member]
Litigation accrual expense	$ 1,300,000
Shares reserved for issuance in connection with class action lawsuit | shares	300,000
Subsequent Event [Member] | Claim Filed By Certain Investors In Connection With 2015 Private Financing Transaction [Member]
Litigation claims amount		$ 6,900,000
Shares awarded to claimants | shares		327,608
Damages awarded to claimants		$ 250,000
Subsequent Event [Member] | Securities Purchase Agreement [Member]
Interest rate							12.00%
Debt instrument amount							$ 11,000,000
Shares issued as bankruptcy settlement | shares	9,497,515
Subsequent Event [Member] | Credit Agreement [Member]
Debtor in possession amount							$ 3,000,000
Interest rate							12.00%
Subsequent Event [Member] | Promissory Notes To Holders Of Unsecured Claims [Member]
Interest rate	10.00%
Debt instrument amount	$ 1,200,000