Please assess the completion status of the following clinical trial:

Trial Title: A Single Blind Study of Cranial Electrical Stimulation in Bipolar II Disorder

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Diagnosis of bipolar II disorder currently in a depressive episode (without psychotic features)~2. Pretreatment HRSD score of \>/= 13 and \<28 and a CGI less than or equal to 5.~3. Between 18 and 85 years old~4. Willing to provide informed consent -~Exclusion Criteria:~1. Subject has a history of bipolar II disorder previously untreated with medication, or bipolar I disorder, or is in a manic or mixed episode; unipolar depression, schizophrenia, schizo-affective disorder, other (non mood disorder) psychosis, depression secondary to a medical condition, mental retardation, substance dependence or abuse within the past year (except nicotine), psychotic features in this or previous episodes, amnestic disorder, dementia or MMS (mini mental exam) less than or equal to 24, delirium. HRSD score \> 28 and CGI \> 5.~2. Significant current history of autoimmune, endocrine, disorder affecting the brain. No unstable cardiac disease, uncontrolled hypertension or sleep apnea.~3. Changes in psychotropic medications for 2 weeks prior to study entry amd unable to maintain stable doses throughout the trial.~4. Subject has active suicide plan, or history of suicide attempt within the past 12 months.~5. Pregnancy or positive serum pregnancy test.~6. Having a pacemaker~7. History of: skull fracture, craniotomy, deep brain stimulation, cochlear implants, dorsal column pacemaker, cardiac pacemaker, seizures or epilepsy.~   -

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- Active CES (Type: EXPERIMENTAL): The active CES treatment group will receive the following dose of CES delivered over the temples bilaterally: 2mA of alternating current qt 1Hz, 5Hz, and 15,000Hz for one 20 minute session per day for 5 times per week for four weeks.
- Sham CES (Type: SHAM_COMPARATOR): The CES sham group will receive sham CES (device off)for 20 minutes 5 times per week for two weeks.

Based on this trial design, predict the completion outcome and termination type (if applicable).